Latest Jimmy Xu Stories

2005-11-21 16:10:00

PROVIDENCE, R.I. -- Since the creation of the first working laser -- a ruby model made in 1960 -- scientists have fashioned these light sources from substances ranging from neon to sapphire. Silicon, however, was not considered a candidate. Its structure would not allow for the proper line-up of electrons needed to get this semiconductor to emit light. Now a trio of Brown University researchers, led by engineering and physics professor Jimmy Xu, has made the impossible...

Word of the Day
  • A rich embroidered or brocaded silk fabric woven originally with a warp of gold thread.
'Baudekin' seems to be an alternative form of 'baldachin,' from the Italian 'Baldacco,' Baghdad, the city where the material was made.