Electronics & Semiconductors
Coding, digital, and programmable metasurfaces are engineered surfaces that can be used to manipulate electromagnetic waves, first introduced by Prof. Tie Jun Cui and his colleagues in 2014. Due to their many advantageous ...
Telecom
Metasurfaces, artificially engineered surfaces that can manipulate electromagnetic signals in unique ways, have huge potential for several technological applications, including the implementation of sixth generation (6G) ...
Engineering
A group led by researchers at Northeastern University in the U.S. has developed a new kind of antenna that is much smaller than conventional antennas. In their paper published in the journal Nature Communications, the team ...
Engineering
Cities can be obstacle courses for communications signals. A radio signal must travel from a cell phone to a router to a cell tower, and onward to its recipient—all while bouncing between walls, buildings and other structures. ...
Jul 25, 2023
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132
Electronics & Semiconductors
You may not have heard of piezoelectric materials, but odds are, you have benefitted from them.
May 8, 2023
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523
Telecom
Researchers at the National Institute of Standards and Technology (NIST) have adapted their atom-based radio receiver to detect and display live color television and video games.
Aug 18, 2022
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517
Telecom
Crafty hackers can make a tool to eavesdrop on some 6G wireless signals in as little as five minutes using office paper, an inkjet printer, a metallic foil transfer and a laminator.
May 16, 2022
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272
Electronics & Semiconductors
Researchers have developed a chip that is powered wirelessly and can be surgically implanted to read neural signals and stimulate the brain with both light and electrical current. The technology has been demonstrated successfully ...
Nov 18, 2020
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46
Engineering
Someone could hack into your pacemaker or insulin pump and potentially kill you, just by intercepting and analyzing wireless signals. This hasn't happened in real life yet, but researchers have been demonstrating for at least ...
Mar 12, 2019
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458
Engineering
Side channel signals and bolts of lightning from distant storms could one day help prevent hackers from sabotaging electric power substations and other critical infrastructure, a new study suggests.
Feb 26, 2019
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