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Slow down the speed of light
By using a tiny silicon device, scientists at IBM's US-based firm have been able to slow down 1/300 times the speed of ordinary light.
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Warning device when children cross the street
The big Japanese corporations NTT Data and Nissan Motor yesterday introduced an electronic card warning system for drivers when children crossed the road.
New technology
'Loa' helps the deaf hear the music
Scientists have invented a device to help the deaf
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Turn desert air into drinking water in a completely new way
A new prototype device, developed at King Abdullah University of Science and Technology (KAUST) in Saudi Arabia, can absorb water vapor and then release liquid water as…
New technology
How does solar cell work?
Solar batteries (solar cells / photovoltaic batteries) are devices that directly convert sunlight energy (solar energy) into electrical energy (electricity) based on the…