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Unigrid wants to make batteries cheaper and safer using sodium
If there’s one thing holding batteries back, it’s cost. The most widespread type of battery, lithium-ion, still costs around $140 per kilowatt-hour for a pack. While that’s low […]
How scientists revealed a new Martian rock type without the rock
Geologists have discovered a new rock type on Mars through an unprecedented chemical analysis of rare meteorites on Earth.