Telecom
Increasing the amount of trains on Europe's tracks to replace other modes of transport could help reduce CO2 emissions and air pollution. But fitting more trains requires a serious rethink of how trains brake and could move ...
Aug 10, 2021
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61
Electronics & Semiconductors
Researchers at the University of Bristol have discovered a method which will allow for faster communication systems and better energy saving electronics.
Jun 21, 2021
1
1123
Consumer & Gadgets
I have a cellphone built into my watch. People now take this type of technology for granted, but not so long ago it was firmly in the realm of science fiction. The transition from fantasy to reality was far from the flip ...
Jun 17, 2021
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5
Internet
When your Netflix stream drops out in the middle of a rainstorm, can you blame the wild weather?
Jun 10, 2021
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8
Telecom
Within seconds after reaching a city, earthquakes can cause immense destruction: Houses crumble, high-rises turn to rubble, people and animals are buried in the debris.
May 26, 2021
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5
Engineering
Scientists at the University of Colorado Boulder have tapped into a poltergeist-like property of electrons to design devices that can capture excess heat from their environment—and turn it into usable electricity.
May 18, 2021
1
343
Telecom
Launching this summer, NASA's Laser Communications Relay Demonstration (LCRD) will showcase the dynamic powers of laser communications technologies. With NASA's ever-increasing human and robotic presence in space, missions ...
May 13, 2021
0
572
Engineering
Current research on flexible electronics is paving the way for wireless sensors that can be worn on the body and collect a variety of medical data. But where do the data go? Without a similar flexible transmitting device, ...
Apr 15, 2021
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144
Internet
Engineers at the National Institute of Standards and Technology (NIST) have built a low-cost computer system that connects older public safety radios with the latest wireless communications networks, showing how first responders ...
Apr 13, 2021
0
0
Electronics & Semiconductors
A unique positioning technology is being developed to pinpoint firefighters inside buildings where other positioning technologies fail.
Apr 7, 2021
0
40
Radio is the transmission of signals by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space. Information is carried by systematically changing (modulating) some property of the radiated waves, such as amplitude, frequency, or phase. When radio waves pass an electrical conductor, the oscillating fields induce an alternating current in the conductor. This can be detected and transformed into sound or other signals that carry information.
This text uses material from Wikipedia, licensed under CC BY-SA
