Daily Archives: January 11, 2009

Superfluidity

Posted on January 11, 2009 by

Taken from a Polish science programme, this video is a fascinating demonstration of superfluid helium. (The translation is a little dubious in places, but it’s understandable enough). Note the moment at around 1:07 in the video where the helium goes … Continue reading →

Posted in Imported from Livejournal, physics | Tagged | 6 Comments

The embers that never caught aflame…

Posted on January 11, 2009 by

Brown dwarfs are strange little things. Bridging the gap between stars and planets, they’ll never be hot enough to fuse hydrogen the way the Sun does. Instead they’re only massive enough to burn deuterium, glowing like a hot coal sitting … Continue reading →

Posted in astronomy, Imported from Livejournal | Tagged , | 7 Comments