A tiny battery is taking on a very big challenge: the Moon's brutal cold. I'm Bennett Blackwood. NASA's SPEARS project is testing solid-state cells for future lunar equipment. Instead of a liquid electrolyte, these prototypes use solid ceramic or polymer materials. In thermal-vacuum tests, small cells worked well from eighty degrees Celsius down to minus sixty. They still worked at minus eighty, with reduced performance. Here's the distinction that matters: the batteries survived exposure down to minus one hundred seventy Celsius without damage, but they did not operate at that temperature. Small heaters would warm them back into their working range. That could reduce the need to keep equipment warm continuously. These are real NASA laboratory photographs. The technology is still in development, not a battery you can buy today. The hopeful part is practical: power that could help future tools and instruments endure a place that is extraordinarily hard on machines. Good stories every day. Follow Carpe Diem News.
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NASA / Ryan Hill. Original laboratory photographs. Independent editorial coverage; no NASA endorsement.