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2. Solar-powered calculator - Wikipedia

   en.wikipedia.org/wiki/Solar-powered_calculator

   Solar-powered calculators are hand-held electronic calculators powered by solar cells mounted on the device. [1] They were introduced at the end of the 1970s. [2]Amorphous silicon has been used as a photovoltaic solar cell material for devices which require very little power, such as pocket calculators, because their lower performance compared to conventional crystalline silicon solar cells is ...

3. Global Solar Atlas - Wikipedia

   en.wikipedia.org/wiki/Global_Solar_Atlas

   Global Solar Atlas (GSA v2.2): screenshot of the interactive map interface (status Jun 2020). Site detail view (in this case for the location Bhadla, Rajasthan, India) summarises the data important for preliminary site assessment of a photovoltaic power plant Global map of Photovoltaic Power Potential downloadable via the Global Solar Atlas (GSA 2.2) Download section feature with more than a ...

4. Passive solar building design - Wikipedia

   en.wikipedia.org/wiki/Passive_solar_building_design

   A heat pump might use 1 J for every 4 J it delivers giving a COP of 4. A system that only uses a 30 W fan to more-evenly distribute 10 kW of solar heat through an entire house would have a COP of 300. Passive solar building design is often a foundational element of a cost-effective zero energy building.

5. Solar power - Wikipedia

   en.wikipedia.org/wiki/Solar_power

   Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current . [ 2 ]

6. Solar Umbrella house - Wikipedia

   en.wikipedia.org/wiki/Solar_Umbrella_house

   The Solar Umbrella House is a private residence in Venice, Los Angeles, California, remodeled using active and passive solar design strategies to enable the house to function independent of the electrical grid. The design was inspired by Paul Rudolph’s 1953 Umbrella House for Philip Hanson Hiss III's Lido Shores, Sarasota

7. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   A calculator which runs on solar and battery power Through the 1970s the hand-held electronic calculator underwent rapid development. The red LED and blue/green vacuum fluorescent displays consumed a lot of power and the calculators either had a short battery life (often measured in hours, so rechargeable nickel-cadmium batteries were common ...