Physics

Finding order in disorder demonstrates a new state of matter

Physicists have identified a new state of matter whose structural order operates by rules more aligned with quantum mechanics than standard thermodynamic theory.

Easing uncertainty: How Heisenberg's uncertainty principle can be relaxed

Heisenberg's uncertainty principle -- the fundamental impossibility of simultaneously measuring entities such as position and momentum exactly -- is at the heart of quantum theory. Physicists have now demonstrated an elegant way to relax this intrinsic incompatibility using a mechanical oscillator formed by a single trapped ion, opening up a route for fundamental studies and practical uses alike.

Sandcastles and surprising origins of basic cellular functions

Cells comprising a tissue can pack into disorderly geometries much as do grains of sand in a sandcastle. In doing so they can freeze into a fixed shape—as in a sandcastle—or flow like sand poured from a beach bucket. The finding, reported by researchers at Harvard T.H. Chan School of Public Health, Northeastern University, and MIT, provides insights into organ formation in an embryo, healing of a wound, and even invasion of cells into surrounding tissue, as occurs in cancer.

NASA Announces Teams, New Rules for 2018 Human Exploration Rover Challenge

Teams from around the globe will compete April 13-14 in NASA's Human Exploration Rover Challenge at the U.S. Space & Rocket Center in Huntsville, Alabama.

NASA Glenn Hosts First Computer Science Day For Youth To Explore STEM Careers

NASA’s Glenn Research Center will host its first Computer Science Day on Friday, April 6 from 9 a.m. to 2 p.m. at Lewis Field at 21000 Brookpark Road in Cleveland for middle schoolers to explore STEM careers in computer and information science.

This may be as close as you can come to going on a spacewalk 240-ish miles above Earth

The vertiginous video also offers an opportunity to consider theories posited by two of the giants of science
https://youtu.be/Wfoy_OvNDvw

While on a spacewalk outside the International Space Station over Mexico, NASA astronaut Randy Bresnik captured this spectacular, vertiginous video with a GoPro camera.

I spotted it in a NASA Tweet yesterday, and when I watched it, I really did have the sensation that this would be as close as I'll ever come to experiencing free-falling around the Eart

Hundreds line Cambridge streets to honor Stephen Hawking

The life of renowned physicist and author Stephen Hawking was celebrated Saturday in English city of Cambridge, with hundreds of well-wishers lining the streets for a glimpse of the hearse carrying his remains to a private funeral.

Family, friends bid farewell to Stephen Hawking

Friends, family and colleagues of British scientist Stephen Hawking will gather Saturday to pay their respects at his private funeral in Cambridge, where he spent most of his extraordinary life.

Researchers probe the complex nature of concussion

It seems simple enough: Taking a hard hit to the head can give you a concussion. But, Stanford researchers report March 30 in Physical Review Letters, in most cases, the connection is anything but simple.

NASA Invests in Shapeshifters, Biobots, Other Visionary Technology

NASA is investing in technology concepts that includes meteoroid impact detection, space telescope swarms and small orbital debris mapping technologies that may one day be used for future space exploration missions.

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