News tagged with outer shell

Flexible polymer opals

A synthetic material which mimics the brightest and most vivid colours in nature, and changes colour when twisted or stretched, has been developed by researchers at the University of Cambridge, and could have important ...

May 29, 2013 4.2 / 5 (5) 1 | with audio podcast

Image: Hubble's 'smoky' shells

(Phys.org)—Located in a relatively vacant region of space about 4,200 light-years away and difficult to see using an amateur telescope, the lonesome planetary nebula NGC 7354 is often overlooked. However, ...

Dec 17, 2012 5 / 5 (2) 0 | with audio podcast