News
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EarthY2K: One of the hottest, wettest yet
Preliminary data from the National Climatic Data Center indicate the year 2000 will be one of the six hottest and one of the ten wettest years on record.
By Sid Perkins -
TechCurrent may flow free and cheap
Wires that carry electricity without resistance at relatively high temperatures--and are inexpensive--moved a large step closer to reality as a 100-fold speed-up in depositing a key material wiped out a major obstacle to making those wires.
By Peter Weiss -
TechFrom silicon seeds, laser might sprout
The achievement of light amplification in a layer of tiny nuggets of silicon called quantum dots raises the possibility that long-desired silicon lasers are on the way.