Mr. Goodenough may be 94 years old, but that does not stop him from working (respect). Along with Maria Helena Braga, professor Goodenough has developed a battery that is said to be safer, more efficient AND cheaper than an everyday li-ion batteries we see in our smartphones. Among other benefits of their battery is increased longevity, more nature-friendly materials (sounds cool, but – how?) and increased recharge speed. Of course, battery is still in development, and there is no fixed date on when the research will be complete. The sooner, the better.

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