Batteries Have Gotten Better, But There’s Still Room for Improvement

Scientific American, April 18, 2017

“Every technology has improved over the years except batteries! Why can’t someone invent a better battery?” Man, if I had a nickel for every time I’ve heard someone say that—well, I’d have about $17.50.

In fact, though, the average gadget fan is missing three huge points about batteries. (In February, PBS aired a NOVA special called “Search for the Super Battery,” of which I was the host. After a year of visiting laboratories and interviewing scientists, I can admit that batteries are on my mind these days.)

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