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How to Make Rechargeable 9V Li-Ion Battery

DIY Battery In this video, I will show you how to make a 9-volt rechargeable battery and use it anywhere,[…]

Climate Change A new warning from the federal government to the drought-stricken Southwest. The Colorado River — a major water[…]

Climate Change Scientists are warning that the “big one” could hit California in the next 40 years, but they’re not[…]

Climate Change Germany’s vast forest are more than the country’s green lungs — they are part of its cultural heart.[…]

Battery Fix Do you have a problem with getting your rechargeable batteries to start charging on your smart charger? If[…]