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Future galaxy collision predicted
CHAMPAIGN, Ill., April 11 (UPI) -- U.S. scientists said Monday they have developed the world's fastest transistor.
Scientists at the University of Illinois at Urbana-Champaign said the transistor structure has broken the 600-gigahertz speed barrier, thereby placing the goal of a terahertz transistor -- capable of making quadrillions of computations per second -- might be within reach.
The new device was built from compounds called indium phosphide and indium gallium arsenide that were designed to reduce data-transit time and improve density. A recent test demonstrated a speed of 604 gigahertz -- the fastest transistor operation to date.
Faster transistors could facilitate faster computers, more flexible and secure wireless communications systems and more effective electronic combat systems, the scientists said.
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BOSTON, May 31 (UPI) --
A U.S. appeals court panel in Boston ruled Thursday that the federal Defense of Marriage Act cannot affect gay marriages in states that permit them.
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OSLO, Norway, May 31 (UPI) --
Dozens of teenage girls suffered minor injuries during a stampede at a Justin Bieber concert in Oslo, Norway, officials said Thursday.
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BALTIMORE, May 31 (UPI) --
U.S. astronomers are forecasting the Milky Way will have a violent collision with the neighboring Andromeda galaxy in about 4 billion years.
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NORTHAMPTON, Mass., May 31 (UPI) --
A Massachusetts woman said she investigated bird sounds in her yard and discovered a baby cardinal with two heads and three beaks.
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