News tagged with internal structure

Stellar embryos

(PhysOrg.com) -- Stars form as gravity coalesces the gas and dust in interstellar clouds until the material produces clumps dense enough to become stars. But precisely how this happens, and whether or not ...

Jan 23, 2012
5 / 5 (4) 6 | with audio podcast

No more free rides for 'piggy-backing' viruses

Scientists have determined the structure of the enzyme endomannosidase, significantly advancing our understanding of how a group of devastating human viruses including HIV and Hepatitis C hijack human enzymes to reproduce ...

Jan 04, 2012
4 / 5 (1) 0 | with audio podcast

How to build doughnuts with Lego blocks

Scientists have uncovered how nature minimises energy costs in rings of liquids with an internal nanostructure made of two chemically discordant polymers joined with strong bonds, or di-blocks, deposited on ...

Dec 21, 2011
5 / 5 (1) 0

A New Type of Molecule

(PhysOrg.com) -- A Rydberg atom is one with an electron that spends most of its time far from the nucleus. Rydberg atoms, which are normally artificially produced, can have dimensions thousands of times larger ...

Jun 21, 2010
4.7 / 5 (13) 0 | with audio podcast

Diode lights offer bright future for low energy

German scientists said Wednesday they had tweaked organic light-emitting diodes (OLEDs) -- the materials used in flat-screen TVs, laptop computer screens and mobile phone displays -- to become flexible, energy-efficient ...

May 13, 2009
3.8 / 5 (8) 0