News tagged with ball

Study explains the mystery of ball lightning

(Phys.org)—Sightings of ball lightning have been made for centuries around the world – usually the size of a grapefruit and lasting up to twenty seconds – but no explanation of how it occurs has been ...

Oct 12, 2012
4.4 / 5 (30) 11 | with audio podcast

Novel molecules significantly reduce wear

Machines with sliding and rolling parts are virtually ubiquitous. European funding enabled researchers to develop high-performing coatings and lubricants based on a novel new class of molecules to significantly ...

Sep 10, 2012
5 / 5 (3) 0

The science of running: Follow the bouncing ball (w/ Video)

(Phys.org) -- Muscle size, genetics and training are among the countless factors that separate Olympic sprinters from the average person. On a fundamental level, however, the mechanics of running are the same for all humans. ...

Aug 02, 2012
5 / 5 (2) 0

It's Einstein versus Newton again

A simple bouncing ball has reignited a debate long thought settled: whose landmark physics theory is correct – Albert Einstein’s general relativity theory or Sir Isaac Newton’s theory of gravity?

Jun 13, 2012
3.1 / 5 (18) 9

Discovery of the Musket Ball Cluster

(Phys.org) -- Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched ...

Apr 12, 2012
4.8 / 5 (4) 5 | with audio podcast

Auburn scientists find tar balls are better left alone

(PhysOrg.com) -- The April 2010 Deepwater Horizon oil spill in the Gulf of Mexico and the waves of tar balls deposited on the beaches shortly thereafter prompted the National Oceanic and Atmospheric Administration to produce ...

Mar 26, 2012
not rated yet 1

Spitzer finds solid buckyballs in space

(PhysOrg.com) -- Astronomers using data from NASA's Spitzer Space Telescope have, for the first time, discovered buckyballs in a solid form in space. Prior to this discovery, the microscopic carbon spheres ...

Feb 22, 2012
4.7 / 5 (15) 13 | with audio podcast

'Space ball' drops on Namibia

A large metallic ball fell out of the sky on a remote grassland in Namibia, prompting baffled authorities to contact NASA and the European space agency.

Dec 22, 2011
4.2 / 5 (39) 54