Archive: 12/02/2011

Lying and sitting more comfortably

(PhysOrg.com) -- Anyone confined to a wheelchair or a bed has to deal with numerous complications. Frequently, they suffer from bedsores or decubitus ulcers as physicians call them. Bony prominences, such ...

Dec 02, 2011
4 / 5 (2) 0

Crystallizing the switch to hydrogen

Hydrogen gas is an almost infinitely inexhaustible fuel source that emits only clean water during combustion. Switching from hydrocarbon-based transportation to systems powered by state-of-the-art fuel cells ...

Dec 02, 2011
4.9 / 5 (7) 12 | with audio podcast

Dawn soars over asteroid Vesta in 3-D

Glide over the giant asteroid Vesta with NASA's Dawn spacecraft in a new 3-D video.  Dawn has been orbiting Vesta since July 15, obtaining high-resolution images of its bumpy, cratered surface and making ...

Dec 02, 2011
4.8 / 5 (6) 0 | with audio podcast

Giant piezoelectric effect to improve MEMS devices

Researchers in the Department of Materials Science and Engineering and the Materials Research Institute at Penn State are part of a multidisciplinary team of researchers from universities and national laboratories ...

Dec 02, 2011
5 / 5 (3) 0 | with audio podcast

Sharpening the focus of microscopes

A new advanced imaging scheme—with a resolution ten times better than that of its counterparts to date—can resolve objects as small as atoms1. Previously, the maximum resolution of optical instruments, ...

Dec 02, 2011
4.7 / 5 (19) 2 | with audio podcast