Researchers want more time in Alvin during each deep-sea dive, which means generating more power. Fortunately, small, powerful lithium-ion batteries have become common. In fact, those types of batteries could power the new submersible. But instead of one or two thumb-size batteries typically used in a cell phone, it would take about 10,000 in total, said engineer Daniel Gómez-Ibáñez.
(Photo by Tom Kleindinst, Woods Hole Oceanographic Institution)[back]
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