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2. Solarpunk - Wikipedia

   en.wikipedia.org/wiki/Solarpunk

   The term solarpunk was coined in 2008 in a blog post titled "From Steampunk to Solarpunk", [11] in which the anonymous author, taking the design of the MS Beluga Skysails (the world's first ship partially powered by a computer-controlled kite rig) as inspiration, conceptualizes a new speculative fiction subgenre with steampunk's focal point on specific technologies but guided by practicality ...

3. Gravity battery - Wikipedia

   en.wikipedia.org/wiki/Gravity_battery

   Pendulum clock driven by three weights as "gravity battery". An old and simple application is the pendulum clock driven by a weight, which at 1 kg and 1 m travel can store nearly 10 Newton-meter [Nm], Joule [J] or Watt-second [Ws], thus 1/3600 of a Watt-hour [Wh], while a typical Lithium-ion battery 18650 cell [2] can hold about 7 Wh, thus 2500 times more at 1/20 of the weight.

4. Earth battery - Wikipedia

   en.wikipedia.org/wiki/Earth_battery

   An earth battery is a pair of electrodes made of two dissimilar metals, such as iron and copper, which are buried in the soil or immersed in the sea.Earth batteries act as water-activated batteries.

5. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

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   AOL latest headlines, entertainment, sports, articles for business, health and world news.

6. Solar panel - Wikipedia

   en.wikipedia.org/wiki/Solar_panel

   Solar panels are also known as solar cell panels, solar electric panels, or PV modules. Solar panels are usually arranged in groups called arrays or systems . A photovoltaic system consists of one or more solar panels, an inverter that converts DC electricity to alternating current (AC) electricity, and sometimes other components such as ...

7. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.