News tagged with physical review letters

XENON100 sets record limits for dark matter

Scientists from the XENON collaboration announced a new result from their search for dark matter. The analysis of data taken with the XENON100 detector during 13 months of operation at the Gran Sasso Laboratory (Italy) provided ...

Jul 20, 2012 4.9 / 5 (15) 6 | with audio podcast

New way to generate terahertz radiation

(Phys.org) -- Cornell researchers have developed a new method of generating terahertz signals on an inexpensive silicon chip, offering possible applications in medical imaging, security scanning and wireless ...

Jul 11, 2012 5 / 5 (11) 4 | with audio podcast

No evidence for 'knots' in space

(Phys.org) -- Theories of the primordial Universe predict the existence of knots in the fabric of space - known as cosmic textures - which could be identified by looking at light from the cosmic microwave ...

Jun 13, 2012 4.9 / 5 (11) 24 | with audio podcast

What do phasons look like?

(Phys.org) -- When illuminated by laser light, assorted colloidal particles can arrange themselves into highly ordered structures called quasicrystals. By changing the phases of the lasers, researchers can ...

Jun 06, 2012 4.3 / 5 (10) 4 | with audio podcast feature

Stanford physicists make new form of matter

(Phys.org) -- Within the exotic world of macroscopic quantum effects, where fluids flow uphill, wires conduct without electrical resistance and magnets levitate, there is an even stranger family of "unconventional" phenomena. ...

Jun 06, 2012 4.5 / 5 (21) 5 | with audio podcast