Science August 18, 2026 at 3:00 PM

Hydrogen-powered 'rocket car' tops 400 mph in record-breaking test (video)

Space.com

The JCB Hydromax vehicle averaged more than 400 mph during two runs in Utah last week, becoming the fastest hydrogen-powered car in history.

SpaceX will launch its 100th mission of the year tonight (Aug. 18), and you can watch the action live.

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Three new AI-designed chip components are just a few micrometers long and go beyond what human engineers have previously…

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