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Posts Tagged ‘Physics’

Undersea telescope seeks out dark matter

More than 125 of these curious soccer ball-sized glass spheres hang near the floor of the Mediterranean Sea. Even though they're deep underwater, they're keeping a constant vigil for neutrinos, particles that may be evidence of dark matter, supernovae, and neutron stars far off in intergalactic space. Eventually, the Cubic Kilometer Neutrino Telescope (KM3NeT) will ...

Freeman Dyson as remembered by Tim O’Reilly

Legendary physicist and mathematician Freeman Dyson, whose mind-blowing work ranged from quantum electrodynamics to nuclear engineering to the search for extraterrestrial intelligence, died last week at 96-years-old. Tim O'Reilly just published a tribute to Dyson's genius, curiosity, kindness and unique lens on, well, everything. From O'Reilly Radar:

When I interviewed Freeman on stage at ...

See the magic of a Tesla Valve

In 1920, the great Nikola Tesla patented this ingenious valve that allows fluid or gas to flow in one direction but not the other. And it does it based entirely on its geometry without any moving parts. Here is the US patent, number 1,329,559.

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“Softbody Tetris”: what if tetronimoes were made of jello?

C4D4U's SOFTBODY TETRIS V16 is (as the name implies), the latest in a series of "softbody" simulations of Tetris, in which the tetronimoes are rubbery, jelly-like solids that glisten as they wobble into place. It's an incredibly soothing thing to watch (C4D4U calls them "ASMR for my eyes") and part of a wider ...

Talking science fiction, technological self-determination, inequality and competition with physicist Sean Carroll

Sean Carroll is a physicist at JPL and the author of many popular, smart books about physics for a lay audience; his weekly Mindscape podcast is a treasure-trove of incredibly smart, fascinating discussions with people from a wide variety of backgrounds.

The latest episode (MP3 is a 1h+ interview with me, on wide-ranging ...