News tagged with extreme pressures

Hitchhiker's guide to the deep

(Phys.org) -- "Don't panic," Douglas Adams might have said. Author of the sci-fi novel Hitchhiker's Guide to the Galaxy, Adams advised "don't panic" whenever facing invaders.

Jun 11, 2012
5 / 5 (1) 0

A new kind of metal in the deep Earth

(PhysOrg.com) -- The crushing pressures and intense temperatures in Earth's deep interior squeeze atoms and electrons so closely together that they interact very differently. With depth materials change. New ...

Dec 19, 2011
4.7 / 5 (25) 16 | with audio podcast

Superhard carbon material could crack diamond

(PhysOrg.com) -- By applying extreme pressure to compress and flatten carbon nanotubes, scientists have discovered that they can create a new carbon polymer that simulations show is hard enough to crack diamond. ...

Dec 07, 2011 feature
4.8 / 5 (29) 8 | with audio podcast

Making serial parts out of metal powder

Complex-shaped components in aircraft engines can be produced quickly and at a reasonable price using selective laser melting. This has been demonstrated by researchers at the Fraunhofer Institute for Laser ...

May 03, 2010
4.7 / 5 (7) 1

Sleep apnea linked to hard-to-diagnose eye disorders

A British study finds that the condition known as floppy eyelid syndrome (FES) is strongly associated with obstructive sleep apnea (OSA), implying that when doctors see FES in a patient, they should also look for OSA, and ...

Apr 01, 2010
3 / 5 (1) 0

Earthquake waves: How do they spread?

Propagation of earthquake waves within the Earth is not uniform. Experiments indicate that the velocity of shear waves (s-waves) in Earth’s lower mantle between 660 and 2900 km depth is strongly dependent on the orientation ...

Apr 13, 2009
3.7 / 5 (3) 0