Researchers in the US have tweaked a regular Wi-Fi router and made it capable of continuously powering a battery-free surveillance camera. Even better, their work
Solar Impulse HB-SIA, the first solar powered aircraft have finished the first trip successfully starting from Europe to Africa then back to Europe. The story
As the need for alternative sources of fuel beside the fossil fuel arises, algae fuel has started to draw attention. The Algae fuel release carbon
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