Out-of-the-box inventions such as cells that can be charged using USB chargers or shower heads that change color based on the water temperature can often be life changing. Although sometimes they can be a little quirky, they make us wonder why did no one think of them earlier.
from BrightSide RSS https://brightside.me/wonder-curiosities/20-striking-inventions-that-can-make-you-relax-and-enjoy-life-790260/
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