Laser fabrication of
glass microstructures
We are entering a new age in which glass is becoming a material
of choice in, for example, communications and microbioinstrumentation.
Lasers can be used with photoceramics to create intricate and
useful microstructures in a variety of configurations---William
Hansen, Pete Fuqua, Frank Livingston, Adam Huang, Meg Abraham,
Dave Taylor, Siegfried Janson, and Henry Helvajian
Silicon-germanium gives
semiconductors the edge
The first chips built with the world's fastest SIGe semiconducting
circuit, operating at speeds of more than 100GHz, will appear
on the market later this year. Sales if SIGe products totaled
$320 million in 2001 and are projected to grow to about $2.7 billion
by 2006---Jennifer Oullette
Tropical fires feed
global warming
A yale University physicist has shownthat smoke from biomass burning
is exacerbating global warming and the depletion of the ozone
layer. This may influence export-oriented policies that encourage
forest clearing---Eric J. Lerner
Biomedical applications
of nanotechnology
Nanotechnology is finding an increasing number of applications
in diagnostic sensors, lab-on-a-chip techniques, pharmaceuticals,
prostheses, and implants, and is even starting to mimic Nature---Ineke
Malsch
