Stunning long exposure of the Chilean VLT observatory firing a laser guide to calculate atmospheric distortions or zzzapp take that space invaders! Bigger n better version via the Discovery blog.
Ahh tractor beams, the stalwart mechanism of space adventures, are inching closer to reality with some Oz scientists claiming they can move small particles over a distance of a metre or more. Physorg.
Though it's still under peer review there's a paper claiming that one of the fundamental constants of physics doesn't appear to be so well, er constant. It's a bit above my level but worth a read. Science Daily.
Nikon's annual microphotography contest has turned up some more fascinating pics. Below are some soap bubbles snapped by a resident of Dusseldorf. Via Wired.