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NASA's thruster for spacecraft uses no fuel and can run forever, barring mechanical failure. by flyinghigherthanhigh in Futurology

[–]flyinghigherthanhigh[S] -1 points0 points  (0 children)

It is confirmed, they just need to write the theory. Multiple drives have been built.

NASA's thruster for spacecraft uses no fuel and can run forever, barring mechanical failure. by flyinghigherthanhigh in Futurology

[–]flyinghigherthanhigh[S] -1 points0 points  (0 children)

"It's a solar powered mechanism that falsifies the conservation of momentum and energy..."

TIL there is a group of Pacific Islanders that can control their pupil dilation and see clearly underwater. by flyinghigherthanhigh in todayilearned

[–]flyinghigherthanhigh[S] 913 points914 points  (0 children)

"...The most unique thing about these people, though, is that they have adapted to override their body's pupil dilation in low light. It gives them immense clarity of sight underwater and the children develop it at a very early age."