"Physics" Blogs & Blog Posts

Sciencebase Science BlogSciencebase Science Blog

A science blog covering everything from astronomy to zoology with a special...

 
PhysOrgPhysOrg

Physorg.com internet news portal provides the latest news on science

 
ParacademiaParacademia

Academic news from a researcher in psychology of religion

 


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Since he was a kid, Destin Sandlin from Smarter Every Day has wondered what would happen when a baseball went supersonic. So he build a supersonic baseball cannon. You may recall he built a similar gun to stress test a golf ball: Image: YouTube / Sma...

The Action Lab looks deeper into why strange-shaped objects like this octohedron can roll. A lot of it is about friction, or lack of slipping. Part of the issue is probably materials as well, as an object has to be sufficiently dense for the rolling...

A physics professor at the City College of New York is finally getting her due. In January, at the age of 87, Dr. Myriam Sarachik won the Medal for Exceptional Achievement in Research, a top honor of the American Physical Society, the New York Times...

The only evidence they have for the existence of Dark Matter (Neil DeGrasse Tyson hedges his bets on this and refers to it as 'Dark Gravity') seems to be this, which I'm sure you've all seen dozens of times:Thanks to Dinero, who reminded me a while a...

In the visible light spectrum, standard glass is almost completely transparent, and the metalloid germanium is almost completely opaque. But in infrared light, the opposite is true. Here's another demo: ProTip: if you find yourself hiding from author...

This is one of these videos where it's cool, then kinda lulls in the center, but the pay-off at the end is totally worth it.

See article at Astrobites.As I was saying all along:1. Gravity bends light, which is why we get gravitational lensing of light.2. Gravity waves travel at speed of light. This was measured twenty years ago, but it was a sensible assumption all along.3...