I mage of the Beta.ey S phone charger via IndieGoGo. German designer Andre Broessel has invented a means ofharnessing the sun’s energy in a solar cell. Through the startup RawLemon, Broessel wants to ...

New tech at Mobile World Congress could let you charge your phone when it's out in the sun or even under room lights. David Lumb is a senior reporter covering mobile and gaming spaces. Over the last ...

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