Researchers Have Devised a Way to Charge Smartphones With Ambient Light
“These days, we use our cell phones for a lot more than just making calls. Smartphones have become essential tools for monitoring our health, interacting with our vehicles, and entering the world of augmented reality.
But these expanded smartphone functions have brought with them the need for us to find new ways to keep our cell phones charged. Recently, some have attempted to power smartphones through wireless power transmission or by capturing the kinetic energyof the user’s movements. Now, researchers have devised a method to charge cell phones with ambient light…”
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https://futurism.com/printable-solar-cells-charge-smartphone/amp/