Physics
Free-falling atoms in space put a new twist on Galileo’s gravity test
Rubidium atoms on China’s Tiangong space station fell with the same acceleration, upholding a cornerstone of Einstein’s general theory of relativity.
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Delivering oxygen under pressure: the engineering behind HPO.TECH hyperbaric chamber breathing systems and the BIBS mask
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Motor neurons don’t just move muscles. They may direct that motion too
A fruit fly study shows motor neurons do more than relay commands: They send signals back to the brain and organize movement sequences.
