News articles tagged with 'optical' (Page 24)
[chronologically, reverse order]
A nano-microscope for ultrafast processes
— 3 Sep 2007 21:04 | PhysicsMetallic nanostructures, consisting of a few thousand atoms, exhibit optical and electronic properties which are not present in extended solid state systems. The interaction of electromagnetic…
Dark matter mystery deepens in cosmic train wreck
— 16 Aug 2007 19:51 | AstronomyAstronomers have discovered a chaotic scene unlike any witnessed before in a cosmic 'train wreck' between giant galaxy clusters. NASA's Chandra X-ray Observatory and optical telescopes…
New view of doomed star
— 20 Jun 2007 17:40 | AstronomyEta Carinae is a mysterious, extremely bright and unstable star located a mere stone's throw - astronomically speaking - from Earth at a distance of only about 7500 light years. The…