46024595
submission
ceview writes:
So this story on Wired seems to have got lots of people a bit confused. The experimental set up is incredibly delicate (Bose Einstein Condensate) so it implies this perpetual motion effect can't really be used to extract energy. What is your take on it? It can't really upend anything because at a quantum level things behave weirdly at the best of times.
The heavy details are here
http://arxiv.org/abs/1202.2539v2
http://arxiv.org/abs/1202.2537v2
44645927
submission
ceview writes:
Researchers at Sheffield Centre for Robotics have demonstrated that a swarm of 40 robots can carry out simple fetching and carrying tasks. This is done by grouping around an object and working together to push it across a surface. They believe that this could provide opportunities for us mere humans to harness such power to do all sorts of things like safety — what like catching falling workers perhaps?
Youtube action at http://www.youtube.com/watch?v=3e12RicAy1Q
44295901
submission
ceview writes:
The Marriage and Civil Partnership (Scotland) Bill will allow groups promoting a belief to marry couples according to a report on the BBC. Also the Flat Earth society would be allowed to perform such ceremonies.
44005829
submission
ceview writes:
NASA has released its latest green data showing a creeping of green towards the northern hemisphere. From the article " Results show temperature and vegetation growth at northern latitudes now resemble those found 4 degrees to 6 degrees of latitude farther south as recently as 1982."
