Knots are everywhere—from tangled headphones to DNA strands packed inside viruses—but how an isolated filament can knot ...
Velocity always goes up. At least, that's the way it seems in MLB. Fastball velocity increases year after year. The average ...
A skydiver dangles from a parachute tangled on an airplane's tail at 15,000 feet in a video the Australian Transport Safety ...
Three thought experiments involving “demons” have haunted physics for centuries. What should we make of them today?
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