Archive for the ‘PHOTOVOLTAIC’ tag
Small Solar Cells

whats the cost of a small solar cell?
at radio shack is where i would go the really small .5 volts are like 1 buck or 2 but you can build your own cheaper that are more effeiient just ask someone at radio shack or google it.
Small Solar Panels | Residential Solar Systems | Solar Panels for Houses
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Duracell Instant USB Charger with Lithium ion battery / includes universal cable with USB and mini USB, $15.45 Includes universal cable with USB and mini USB. Compact on demand power. 1 charger, 1 cable. 5 volt/1150mAh rechargeable lithium-ion battery. USB power port. On/off switch, charging status light (illuminates when the charger is operating). Charging indicator light. In port used to charge the charger with the provided USB cable. Additional Run/Talk Time: iPod Classic: Up to 50 hours. iPod Nano: Up … |
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A Scalar Energy Store’s Scalar Energy Pendant w/Neg Ion Charge Silicone Protection Ring $3.59 Our Anion & Scalar Energy Pendant is a wearable handmade jewelry made from special Japanese volcanic lava and contains 70 Natural Cosmic Energy Minerals, manufactured & processed under extreme temperature before it is coagulated to form bio-ceramics under low temperature treatment & structurally bonded together at a molecular level. The QBP Pendant has the highest negative ions count in the market… |
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Newsun CR2025 Coin Cell Lithium 3V, 5 Pack $2.95 These button cells are not technically rechargeable. They are used in watches, garage door openers and other small devices. These normally retail at $2.99 each. With five in a pack, this is a great deal! 3V…. |
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i.Sound Portable Power Max with 16,000 mAh for iPod, iPad, iPad2, iPhone, DROID, and BlackBerry $70.20 Anyone who’s ever had the battery die in their cell phone, MP3 player, camera, or other electronic device knows what a pain it can be (and that it always seems to happen at the most innoportune moment). iSound’s Portable Power Max is perfect for avoiding these annoyances: an ultra-portable backup battery that will charge multiple devices at once, without the need for an AC outlet or multiple ba… |
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ReVIVE Series Solar ReStore External Battery Pack with Universal USB Charging Port for Portable Smartphones / E-readers / MP3 Players and More USB Powered Devices $27.99 Portable Extended Battery Charge Pack This easy-to-use, multi-functional charger let’s you take charging on-the-go. It’s equipped with a universal USB charging port & a powerful internal backup battery that stores backup power for when you are away from outlets. Charge it up by the power of the Sun, USB or an AC outlet to provide a full-charge to most mobile devices. It’s also designed with a conv… |
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OWI Frightened Grasshopper Kit – Solar Powered $1.20 Build your own life-size grasshopper. An educational robot and mini solar kit. He’s small, but he’s an attention-getter. Explore the potential of solar power with this neat science kit. This build-it-yourself educational solar hobby kit is for the first time science experimenters with little or no experience. The Frightened Grasshopper Solar Powered Bug Teaches about forms of alternative energy in… |
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6-in-1 Educational Solar Kit Build Your Own Science Toy DIY $4.50 6-in-1 Educational Solar Kit. Build your own solar kit and have fun under the Sunlight! Mini solar building kit teaches children the benefits of solar energy while they create a toy that is both fun to play and requires absolutely no batteries. This is an excellent beginner building kit designed to teach how solar power is used to drive a small motor. Children use the 22 parts (no tools required) … |
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Elenco Solar Deluxe Educational Kit $13.24 Catch Some Rays And teach a kid (8 and up) the basics of solar power. This excellent educational kit comes with (9) 0.5VDC solar cells pre-wired in sets of (3) and mounted in a 5″ x 4″ x 7/16″ black-plastic frame with screw terminals on the bottom. The kit includes a 1.5VDC motor with leads and a mount, a fan blade and (4) plastic discs from 5/8″ dia to 2″ dia for mounting on the motor shaft, a … |
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Etón American Red Cross ARCFR160R Microlink Self-Powered AM/FM/NOAA Weather Radio with Flashlight, Solar Power and Cell Phone Charger (Red) $23.99 Small but mighty, the Eton American Red Cross Microlink FR160 multipurpose radio keeps you informed and prepared for emergencies or travel. This AM/FM/ NOAA Weather radio keeps you informed when the power is out or when you re in the great outdoors with no power or batteries. Bright 3 LED flashlight. Hand crank and Solar powered. USB Charger to hand crank charge any USB device such as MP3 pla… |
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New Trent ifuel IMP500 5000mAh External Battery pack and Charger for Apple iPhone 4S 4 3Gs 3G (AT&T and verizon), iPod Touch (1G 2G 3G 4G 5G), Motorola Droid, HTC Android EVO, Blackberry, Samsung EPIC, Samsung Galaxy Tablet, Samsung Galaxy S and much more $39.95 Never have your smart phones run out of battery. This compact and long-lasting backup battery will let you carry the power where ever you go. There’s no need to charge your device through an electrical outlet, THE IMP500 IS THE POWER SOURCE! Take this with you when you travel and never have to worry about running out of power. New Trent is a trademark of New Trent Inc, is exclusively marketed by a… |
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Solar Cells $193.2 The capture and use of solar energy has been growing for many years, but only in recent times have advances in design and manufacture allowed us to see the incorporation of solar energy as a significant player in the renewable energy arena.Solar cells are at the heart of any photovoltaic system and in this book the various types are described and their characteristics reviewed.Going beyond materials, design and function, Solar Cells also covers their testing, monitoring and calibration thus providing a comprehensive account of current activity in this important field of research and industry. Solar Cells has been abstracted from the recent Practical Handbook of Photovoltaics by the same editors (ISBN 185617 3909. 2003: Elsevier)Internationally-respected contributors from industry and academiaAbstracted from The Practical Handbook of Photovoltaics by the same EditorsA comprehensive source-book on all aspects of solar cells |
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Principles of Solar Cells, Leds and Diodes (Paperback) $57.6 The book will cover the two most important applications of semiconductor diodes – solar cells and LEDs – together with quantitative coverage of the physics of the PN junction at the senior undergraduate level. It will include: Review of semiconductor physicsIntroduction to PN diodesThe solar cellPhysics of efficient conversion of sunlight into electrical energy Semiconductor solar cell materials and device physicsAdvanced solar cell materials and devicesThe light emitting diodePhysics of efficient conversion of electrical energy into lightSemiconductor light emitting diode materials and device physicsAdvanced light emitting diode materials and devices |
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Principles of Solar Cells, Leds and Diodes (Hardcover) $175.28 The book will cover the two most important applications of semiconductor diodes – solar cells and LEDs – together with quantitative coverage of the physics of the PN junction at the senior undergraduate level. It will include: Review of semiconductor physicsIntroduction to PN diodesThe solar cellPhysics of efficient conversion of sunlight into electrical energy Semiconductor solar cell materials and device physicsAdvanced solar cell materials and devicesThe light emitting diodePhysics of efficient conversion of electrical energy into lightSemiconductor light emitting diode materials and device physicsAdvanced light emitting diode materials and devices |
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Multijunction Solar Cells $136.29 While there are many available texts covering the basic principles of single-junction cells and their implementation, until now, no textbook has adequately addressed the topic of multijunction cells. Multijunction Solar Cells fills this gap in the literature, providing an in-depth description of multijunction cell science and technology. The first few chapters are devoted to the fundamental science of photovoltaics (PVs), the technology of single-junction cells, and growth and fabrication techniques. As such, the book can serve as an ideal text for students of PV science, and senior undergraduate and graduate students in applied physics, optoelectronics and related topics in PV technology. |
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The Physics of Solar Cells $47.84 Description not available. |
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Molecular Solar Cells (Hardcover) $97.91 Description not available. |
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Thin Film Solar Cells (Paperback) $77.78 Description not available. |
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Physics and Technology of Amorphous-crystalline Heterostructure Silicon Solar Cells (Hardcover) $223.79 The challenge of developing photovoltaic (PV) technology to a cost-competitive alternative for established energy sources can be achieved using simple, high-throughput mass-production compatible processes. Issues to be addressed for large scale PV deployment in large power plants or in building integrated applications are enhancing the performance of solar energy systems by increasing solar cell efficiency, using low amounts of materials which are durable, stable, and abundant on earth, and reducing manufacturing and installation cost. Today`s solar cell multi-GW market is dominated by crystalline silicon (c-Si) wafer technology, however new cell concepts are entering the market. One very promising solar cell design to answer these needs is the silicon hetero-junction solar cell, of which the emitter and back surface field are basically produced by a low temperature growth of ultra-thin layers of amorphous silicon. In this design, amorphous silicon (a-Si:H) constitutes both "emitter" and "base-contact/back surface field" on both sides of a thin crystalline silicon wafer-base (c-Si) where the photogenerated electrons and holes are generated; at the same time, a Si:H passivates the c-Si surface. Recently, cell efficiencies above 23% have been demonstrated for such solar cells. In this book, the editors present an overview of the state-of-the-art in physics and technology of amorphous-crystalline heterostructure silicon solar cells. |
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StoneOptics Gecko Small Solar Light $31.99 StoneOptics solar lights is made from a durable fiber polyresin materialGarden accent contains mini LED lights which are powered by the sun through a solar panel on top of the rockSmall Gecko light automatically turns on and off at dusk and dawn |
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StoneOptics Butterfly Small Solar Light $31.99 StoneOptics solar lights is made from a durable fiber polyresin materialGarden accent contains mini LED lights which are powered by the sun through a solar panel on top of the rockSmall Butterfly light automatically turns on and off at dusk and dawn |
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StoneOptics Small Hummingbird Solar Light $36.99 StoneOptics solar lights is made from a durable fiber polyresin materialGarden accent contains mini LED lights which are powered by the sun through a solar panel on top of the rockSmall Hummingbird light automatically turns on and off at dusk and dawn |
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Micro Fuel Cells (Hardcover) $150.53 Today`s consumers of portable electronics consumers are demanding devices not only deliver more power but also work healthy for the environment. This fact alone has lead major corporations like Intel, BIC, Duracell and Microsoft to believe that Microfuel Cells could be the next-generation power source for electronic products. Compact and readable, Microfuels Principles and Applications, offers engineers and product designers a reference unsurpassed by any other in the market. The book starts with a clear and rigorous exposition of the fundamentals engineering principles governing energy conversion for small electronic devices, followed by self-contained chapters concerning applications. The authors provide original points of view on all types of commercially available micro fuel cells types, including micro proton exchange membrane fuel cells, micro direct methanol fuel cells, micro solid oxide fuel cells and micro bio-fuel cells. The book also contains a detailed introduction to the fabrication of the components and the assembly of the system, making it a valuable reference both in terms of its application to product design and understanding micro engineering principles.*An overview of the micro fuel cell systems and applications.*A detailed introduction to the fabrication of the components and the assembly of the system.*Original points of view on prospects of micro fuel cells. |
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Stem Cells and Cancer (Hardcover) $155.48 Cancer is a primary cause of human mortality worldwide. Despite decades of basic and clinical research, the outcome for most cancer patients is still dismal. Some stumbling blocks to developing effective therapy include the heterogeneity of cancer tissues, the lack of knowledge about the critical molecular mechanisms in cancer tissues (which are typically aberrant compared with mechanisms in normal tissue), and the lack of good mechanism-based therapeutic approaches. The recent findings that most cancers contain a small fraction of self-renewing, differentiation-blocked stem cell-like cells (cancer stem cells) and that it is these cells–and not the major bulk of the tissue–that are the root cause for cancer initiation and metastasis have also highlighted the need to change our approach to cancer therapy.The objectives of this book, therefore, would be to impart up-to-date information about the role of stem cells in the development of normal and cancerous tissue, the mechanisms that differentiate normal from cancerous functions, and the use of these findings in developing mechanism-based therapies. |
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How Solar Energy Works (Hardcover) $23.88 Presents information about solar energy, including its history, the science behind solar cells, how they work, and possible future developments. |
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Dye-sensitized Solar Cells and Solar Cell Performance (Hardcover) $164.75 Description not available. |
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Nanostructured Materials for Solar Energy Conversion $229.73 Nanostructured Materials for Solar Energy Conversion covers a wide variety of materials and device types from inorganic materials to organic materials. This book deals with basic semiconductor physics, modelling of nanostructured solar cell, nanostructure of conventional solar cells such as silicon, CIS and CdTe, dye-sensitized solar cell, organic solar cell, photosynthetic materials, fullerene, extremely thin absorber (ETA) solar cell, quantum structured solar cell, intermediate band solar cell, carbon nanotube, etc. including basic principle and the latest results. There are many books written on conventional p-n junction solar cells, but few books focus on new concepts in this area.* Focuses on the use of nanostructured materials for solar energy* Looks at a wide variety of materials and device types* Covers both organic and inorganic materials |
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Swim Time Solar Ionizer $267.04 This solar powered ionizer from Swim Time can cut chlorine usage by up to 80-percent in pools up to 32,000 gallons. The copper-ion design is very effective at killing algae and keeping your pool clean and pure. Solar ionizerSolar powered dynamo reduces chlorine use up to 80-percent in pools up to 32,000 gallonsSolar energy strikes the top mounted solar cells causing electricity to flow to the copper electrode, releasing ions into the pool waterCopper ions are very effective at killing algae and keeping your pool clean and pureAlso protects against staining and scaling on pool and equipment surfacesSolar Clear copper electrode slowly dissolves over time and will need to be replaced after 2-3 season (replacement anode is sold separately)Materials: PlasticDimensions: 7 inches high x 13 inches wide x 13 inches longModel: NA4155 |
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Solar Power for Your Home (Paperback) $18.77 The Green Guru Guide to easy solar projects you can set up at homeThe perfect reference to be used during the planning and implementation stage of any solar energy project, Solar Power for Your Home offers unbiased coverage of solar energy and the realities of solar usage-from cost analysis to set up. Learn all about passive solar energy, thin film solar, pv cells, and other technologies. You`ll get step-by-step instructions on how to construct a number of simple yet effective solar projects. The book contains detailed explanations of the associated costs of each project, including a discussion of grants, financing, different types of loans, rebates, and tax incentives available for solar installations.Solar Power for Your Home featuresEasy-to-construct solar projects with step-by-step instructionsInformation on the environmental, economic, and aesthetic benefits of solar power A completely global perspective with cost information from all over the worldDetails on how solar energy systems function, how to implement them properly, how to shop, and payback analysesFilled with practical information on:The benefits of solar; Zero cost solar or passive solar power; Fundamentals of a solar system; How to plan; Thin film solar; Specific solar; How to pay for your system; and much more! |
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Small Capacity Solar-powered Water Pump System $49.99 Water pump can be set up wherever desired without batteries or wiring installation Replace electric power with solar pump to make your fountain more environment-friendlySolar-powered pump is more portable and safer for your kids2.6 watts 45GPH 6V DC pump Three-head nozzle included5 AA 1000mAh NiCh rechargable batteryOn/Off Switch Advanced multicrystalline silicon solar panel Water flow capacity: 180 L/h Solar panel measures 6.5 inches wide x 5.5 inches long x .25 inch deep Pump measures 2.5 inches high x 2.5 inches long x 1.5 inches wide Water lift measures 20 inches highCable measures 15 feet longModel number AP-P003 |
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Solar Hydrogen Hybrid Energy Systems (Paperback) $116.46 The complete mathematical and chemical description of hydrogen used for storing and re-using the energy from renewable energies is covered in the book. RENs, mostly photovoltaics and wind, electrolyzers, hydrogen storage and fuel cells are described in details as a unique hybrid system capable of surpassing the limitations of uneven solar energy. |
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Chemistry of the Solar System (Paperback) $39.07 This book is an appealing, concise, and factual account of the chemistry of the solar system. The authors have set the scene by including entertaining historical accounts on how ideas developed, and together with new discoveries, shaped our current understandings. Engaging with a broad readership, the text includes basic facts about the chemical composition of the different bodies in the solar system, the major chemical processes involved in the formation of the Sun, planets, and small objects, and the chemical processes that determine their current chemical make-up. The book summarizes compositional data but focuses on the chemical processes and where relevant, it also emphasizes comparative planetology. There are numerous informative summary tables which illustrate the similarities (or differences) that help the reader to understand the processes described. Data are presented in graphical form which is useful for identifying common features of the major processes that determine the current chemical state of the planets.The book will interest general readers with a background in chemistry who would enjoy reading about the chemical diversity of the solar system`s objects. It will serve as an introductory textbook for graduate classes in planetary sciences but will also be very popular with professional researchers in academia and government, college professors, and postgraduate fellows. |
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Logitech Solar Wireless Keyboard $76.99 Solar-powered wireless keyboard charges itself whenever theres light and stays charged for at least three months in total darkness, eliminating the need for batteries, power bricks and charging cables. Thin keyboard features advanced 2.4 GHz wireless connectivity that gives you the reliability of a cord plus wireless convenience of fast data transmission, virtually no delays or dropouts, and 128-bit AES encryption. The included tiny Logitech Unifying receiver is small enough to stay in your laptop, so theres no need to unplug it. Plug-and-play receiver also allows you to add compatible mice and keyboards without the hassle of multiple USB receivers. Wireless Solar Keyboard K750 features a concave key cap design, PVC-free construction and compatibility with Windows XP, Windows Vista and Windows 7. Keyboard includes a wireless extender and cleaning cloth. Manufacturer: Logitech Manufacturer Part Number: 920-002912 Manufacturer Website Address: www.logitech.com Brand Name: Logitech Product Model: K750 Product Name: Solar Wireless Keyboard Product Type: Keyboard Keyboard/Keypad: Keyboard/Keypad Connectivity Technology: Wireless |
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Nuclear Reprogramming and Stem Cells (Hardcover) $184.19 Research into the field of stem cell biology has developed exponentially over recent years, and is beginning to offer significant promise for unravelling the molecular basis of a multitude of disease states. Importantly, in addition to offering the opportunity to delve deeply into the mechanisms that drive disease aetiology the research is realistically opening the doors for development of targeted and personalized therapeutic applications that many considered, until recently, to be nothing more that a far fetched dream. This volume provides a timely glimpse into the methods that have been developed to instigate, and the mechanisms that have been identified to drive, the process of nuclear reprogramming, chronicling how the field has developed over the last 50-60 years. Since the early 1950s a small number of notable experiments have provided significant impetus to the field, primarily the demonstration of reprogramming ability, first by the complex cytoplasmic milieu that constitutes the amphibian egg, then that of the mammalian egg, and finally that of the mammalian embryonic stem cell. Most recently, the demonstration that a limited pool of defined molecules is capable of reprogramming a multitude of cell types has provided massive impetus and facilitated transition towards realistic therapeutic application. We have therefore reproduced some of the key articles that elegantly document these dramatic stages of development of the field in an inclusive appendix to the book, for the benefit of readers keen to investigate the history of how the field of stem cell biology has evolved. Owing to the ever broadening nature of this field, and the incredible rate at which it is evolving, the main content of this volume focuses on areas that have shown significant movement in recent years, are most likely to translate into personalized therapeutic application, and thus provide greatest potential for significant impact on human health in the not t |
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Solar Rechargeable Pull Power Flashlight $10.19 Don't worry about being stranded without a light ever again with this Super Bright Solar and Hand Pull Rechargeable LED Flashlight. Imagine a flashlight small enough to fit in your pocket, but with three powerful LED lights, and it never needs batteries.Small solar panel on the back of the flashlight converts light to energy to power the bright LED lightsOr use the pull string when solar power is unavailableIlluminate 30 minutes when the string is pulled for one minuteCharge in the sun for 8 hours for 3.5 to 4 hours of useOn/off switch Three bright LED lights Easily fits in pocket or purse Dimensions: 2.75 inches long x 2.75 inches wide x 1.125 inches thick |
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Solar System Superhero (Paperback) $4.94 Save the planet . . . Pluto! Stink Moody, wise-cracking champion of everything small, is on a new mission: to reinstate his favorite celestial orb.Look! Up in the sky! Is it a falling leaf ?A speck of dust? A speeding mosquito?No, it’s Stink Moody, Solar System Superhero!When Stink learns that Pluto has flunked out of the Milky Way for being too shrimpy, he feels like he might just explode with a Big Bang. Stink has no choice but to take a stand for the sake of little planets (and little people) everywhere. Will he be smart enough to defeat a panel of big-shot scientists? Will he be strong enough to beat know-it-all Riley Rottenberger and her "Team KPB"? Will he succeed in rescuing Pluto from a fate worse than being swallowed by a black hole? Start the countdown for a funny (and very informative) out-of-this-world adventure—and prepare to have your universe rocked!From the Hardcover edition. |
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Dynamics of Small Solar System Bodies and Exoplanets (Hardcover) $104.99 Description not available. |
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Smart Solar Sundance Mosaic Ceramic Solar Water Fountain $91.99 Set includes: Instruction manual, solar panel, pump with plastic tube and plastic straps, jug, three small bowls, holder set, metal frame Four-tiered solar fountain Operates in direct sunlight onlyColor: YellowMaterials: TerracottaWeatherproof Water flow capacity: 180 LPHMounting: Free standingWater pump Voltage: 8 volts Weight: 10 pounds Low voltage water pump with filter recycles the same waterMulti-mount panel holder Ceramic with a chestnut orange finish and mosaic trimCreates the sound of gentle running water10 feet of cable to solar panel Dimensions: 20.5 inches high x 11.5 inches wide x 11.5 inches deepAssembly required |
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Mad Science Solar Balloon Kit $6.49 Fill this six-foot balloon up with air and let it sit in the sun, then watch it rise. This Amazing Science kit makes a great school science project. This kit contains one 6-foot solar balloon, string and an instruction sheetRecommended for ages 8 years and up Imported WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. This set contains chemicals that may be harmful if misused. Adult supervision required. |
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Standing Girl Pond Fountain with Solar Pump Kit $82.49 The off white cream-like color goddess Aphrodite Standing holds a pot made of polyresin material. The hand-painted color accents of this fountain and antique finish further add to the depth and richness of the artwork.Color: Off whiteSolar Module: Multi-crystalline silicon 2-watt solar cells DC Brushless pump operation voltage: 6 to 12-volt DC with 16.4-feet cable Water lift: 27.55 inches Statue dimension: 6 inches long x 15 inches high x 6 inches wideSolar panel dimension: 7.48 inches x 5.90 inches Water flow capacity: 200 L P H Cable length of DC pump: Approximate 16.4 feetPump can be by day only with the charge of solar panel during daylightPump will work for the same time with the intensity of sun exposurePackage IncludesOne (1) white polyresin Standing Girl pond spitterOne (1) 2-watt 7.48×5.9-inch solar panel One (1) 6 to 10-volt submersible pump with 16.4 feet leadOne (1) 30-inch long plastic tube hoseOne (1) solar panel support spike |
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Portable 5-watt 16-volt Personal Solar Panel $46.49 This amorphous crystal solar panel can power an appliance, light, small motor or battery. Its small size makes this solar panel portable, efficient and inexpensive. For use in full or partial sunlight5 watt/16 volt solar panel provides clean, quiet energy No fuel required Ideal for additional power and energy savings Includes alligator clips, bare wire and a 40 inches of cable Dimensions: 12 inches long x 10 inches wide x 0.65 inches thickNote: Requires a voltage regulator to avoid overcharging batteries.Voltage regulator and batteries sold separately. |
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Intellect ERBAT29 1600mAh 8.4V 2/3A Nickel Metal Hydride Cells $34.99 Intellect battery powers your Airsoft gunSeven 2/3A battery cellsNickel metal hydride batteries8.4 V1600mAhSmall Airsoft plugMust be 18 years of age or older to purchase (adult signature required upon delivery) This product may be mistaken for a firearm by law enforcementAltering the product's coloration or markings required by state or federal law is dangerous and may be a crimeBrandishing or displaying this product in public may cause confusion and may be a crimeThis product is not available for delivery in all StatesBy placing an order, you affirm that your purchase complies with the law in the jurisdiction where the product will be delivered |
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Intellect ERBAT7 1400mAh 9.6-volt 2/3A Nickel Metal Hydride Cells $32.49 Intellect battery powers your Airsoft gunEight 2/3A battery cellsNickel metal hydride batteries9.6 V1400mAhSmall Airsoft plugMust be 18 years of age or older to purchase (adult signature required upon delivery) This product may be mistaken for a firearm by law enforcementAltering the product's coloration or markings required by state or federal law is dangerous and may be a crimeBrandishing or displaying this product in public may cause confusion and may be a crimeThis product is not available for delivery in all StatesBy placing an order, you affirm that your purchase complies with the law in the jurisdiction where the product will be delivered |
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Intellect ERBAT17 3600mAh 10.8V Nickel Metal Hydride SC Cells $65.99 Intellect battery powers your Airsoft gunNine SC battery cellsNickel metal hydride batteries10.8 V3600mAhSmall Airsoft plugMust be 18 years of age or older to purchase (adult signature required upon delivery) This product may be mistaken for a firearm by law enforcementAltering the product's coloration or markings required by state or federal law is dangerous and may be a crimeBrandishing or displaying this product in public may cause confusion and may be a crimeThis product is not available for delivery in all StatesBy placing an order, you affirm that your purchase complies with the law in the jurisdiction where the product will be delivered |
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Learning About Cells (Paperback) $8.9 Introduces students to the fascinating world of cells. Students learn what cells are, how to use a microscope, the parts of the cells, and how cells live and reproduce. |
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OEM 10-watt 16-volt Solar Panel with Charger Kits $69.83 Use the 10-watt 16-volt solar panel by OEM to power a convenient appliance with free green energy from the sun. With an amorphous crystal design, this solar panel performs both in the bright sun or partial shade.Power: 10 wattsAmorphous crystal solar panelPower an appliance, light, small motor, or batteryIncludes alligator clips, bare wire and a 40-inch cableDimensions: 19 inches long x 12.2 inches wide x 0.8 inches thick Does not include a voltage regulator that you will need between the panel and a battery to prevent overcharging the battery and consequent damage. |
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OEM Floating Solar Round Oxygen Air Pump $44.99 Ensure your pond fish are happy and healthy, even in sunny weather when oxygen levels are lower, with this solar powered air pump. This pump uses solar power.Keeps pond fish and plants happy and healthy Easy to install, clean and maintainFor use with small to medium sized garden pondsJust connect the air hose and the pump is ready to floatPackage includesSolar panelAir pumpHoseAir stoneInstructionsSpecificationsOperating voltage: 6-volt DCAir volume: 100 LPHItem Diameter: 10.5 inchesHose length: 18 inches |
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Stem Cells and Cancer Stem Cells (Hardcover) $289.54 It is pointed out that a cancer stem cell is a type within a tumor that possesses the capacity of self-renewal and can give rise to the heterogeneous lineages of cancer cells, which comprise the tumor. It is emphasized that a unique feature of cancer stem cells is that, although conventional chemotherapy kills most cells in a tumor, cancer stem cells remain intact. Vast applications of the following specific stem cells in disease and tissue injury are discussed: embryonic stem cells, human mesenchymal stem cells, cancer stem cells, arterial stem cells, neural stem cells, cardiac stem cells, dental stem cells, limbal stem cells, and hematopoietic stem cells. Because human embryonic stem cells possess the potential to produce unlimited quantities of any human cell type, considerable focus is placed on their therapeutic potential in this volume. These cells are used in tissue engineering, regenerative medicine, pharmacological and toxicological studies, and fundamental studies of cell differentiation. It is pointed out that the formation of embryoid bodies, which are three-dimensional aggregates of embryonic cells, is the initial step in the differentiation of these cells. Therapeutic implications of signalling pathways in cancer stem cells are pointed out. Targeting self-renewal pathways in cancer stem cells are also included. Application of mesenchymal stem cells for treating ischemic brain injury is explained. Neural stem cells proliferation into the surrounding area of the traumatic brain injury is explained. |
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The Solar Car Build It Yourself Book Kit $20.62 Build your own working solar car with this Build It Yourself book and kit. This kit includes all the parts, instructions, and pain-free science behind building a solar-powered car. A great way to learn environmentally-friendly science while you have fun No batteries required Recommended for ages 8 and upImportedKit includesOne durable cardboard car bodyOne motor with mountAxle pegsAlligator clipsFront and back axlesWheelsSolar cellNutsWashersRubber bandsOne 42-page spiral-bound book with instructions, fun facts and activities Note: some common household items may be needed to assemble solar car. Caution: This kit contains a rubber band that is made of natural rubber latex which may cause allergic reactions. WARNING: CHOKING HAZARD. Small Parts. Not for children under 3 years. |
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Kneeling Girl Pond Fountain With 2-watt Solar Pump Kit $85.99 The creamy off-white statue of goddess Aphrodite kneeling is made of a polyresin material. This fountain is extremely detailed and the bottom is furnished with felt for the protection of your solar water pump. 2.0-watt solar panel system is intended to run during day only The fountain comes with attachment accessoriesMulticrystalline silicon solar cells DC brushless pump operation voltage is 6-12V DC with 16.4 feet of cable Water lift: 27.55 inches Statue dimensions: 8.75 inches long x 13.25 inches high x 5.5 inches wide Solar panel dimensions: 7.48 inches x 5.90 inches Water flow capacity: 200 LPH Cable length of DC pump: Approximate 16.4 feetPump can be by day only with the charge of solar panel during daylightPump will work for the same time with the intensity of sun exposurePackage includes :1 x Kneeling Girl Pond Fountain in off-white polyresin 1 x solar panel1 x 6-10V submersible pump with 16.4 feet lead1 x submersible pump with 16.4 feet lead1 x plastic tube hose 30 inches long1 x solar panel support spike |
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Bronze Girl Kneeling Holding Pot 2-watts Solar Water Pump Kit $121.99 This statue features the goddess Aphrodite (Venus) holding a pot made of poly resin material. With a bronze color, this water pump kit creates a gentle fountain effect for your garden or patio.Solar module: Multicrystalline silicon solar cells 2-wattsDC brushless pump operation voltage: 6-12-volts DCWeatherproofWater lift: 27.55 inches Statue dimension: 21.5 inches high x 14 inches wide x 13.5 inches deepSolar panel dimension: 7.48 inches x 5.90 inches Water flow capacity: 200 liters per hourCable length of DC pump: Approximately 16.4 feet Weight: 11 poundsPump can run by day only with the charge of solar panel during daylightPump will work for the same time with the intensity of sun exposureIncludesOne (1) kneeling girl holding a pot pond spitter One (1) 2W. 7.48 inches x 5.90 inches Solar PanelOne (1) 6-10V submersible pump with 16.4 feet lead One (1) submersible pump with 16.4 feet leadOne (1) plastic tube hose 30 inches lengthOne (1) solar panel support spike |
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Small Bodies in Planetary Systems (Hardcover) $86.13 The small bodies in planetary systems are indicative of the material evolution, the dynamical evolution and the presence of planets in a system. Recent astronomical research, space research, laboratory research and numerical simulations have brought a wealth of new and exciting findings on extra-solar planetary systems and on asteroids, comets, meteoroids and trans-Neptunian objects in our solar system. Progress in astronomical instrumentation has led to the discovery and investigation of small bodies in the outer solar system and to observations of debris disks related to the small bodies in extra-solar planetary systems. Space research allowed for close studies of some of the small solar system bodies from spacecraft. This class-tested lecture set is intended as an introduction to the latest research results and to the key issues of future research. |
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Enjoy Your Cells $16.48 Describes different kinds of cells and the work that they do inside living things. |
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Solar System Map 1990 $14.95 This fascinating map of the solar system is teeming with information about the sun, the planets, their satellites, the formation of the solar system and makeup of the celestial bodies. Published in August 1990 with two articles, Neptune Voyagers Last Picture Show and Voyage of the Century, this map accompanied another work entitled Portraits of our Celestial Family. The 1990 Solar System map feaures Profiles and illustrations of the sun and each planet in the solar system The satellites of each planet Illustrations of the inner solar system and outer solar system An abundance of information about the formation of the solar system and the makeup of the planets and their satellites Information on mapping the solar system Information on comets and asteroidsCoverage Area Space |