Energy & Green Tech
As lithium-ion batteries continue to decrease in price, they are quickly replacing the lead-acid batteries traditionally used in cars and other vehicles. This is creating a sudden abundance of used lead-acid batteries, which ...
Feb 2, 2023
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Internet
Scientists from Japan have developed a new type of distributed feedback (DFB) laser and have shown that it can be used to transmit data at speeds of 200 Gb/s over a record distance of 10 kilometers. This research could help ...
Jan 10, 2023
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17
Engineering
Researchers have developed an automatic drawing machine that uses pens and pencils to draw metamaterials onto paper. They demonstrated the new approach by using it to make three metamaterials that can be used to manipulate ...
Oct 13, 2022
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116
Engineering
Researchers have used a novel near-infrared light imaging technique to capture the first cross-sectional images of carbon dioxide in the exhaust plume of a commercial jet engine. This new state-of-the-art technology could ...
Sep 29, 2022
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55
Computer Sciences
Researchers have shown that the computational imaging technique known as ghost imaging can be combined with human vision to image an object that can't directly be seen by the person. The new work represents a step toward ...
Jun 29, 2022
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72
Hardware
Although solar cells are typically designed to turn light into power, researchers have shown that they can also be used to achieve underwater wireless optical communication with high data rates. The new approach—which used ...
Feb 16, 2022
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Energy & Green Tech
In simulations and experiments, researchers demonstrate that introducing tiny nanoscale texturing on the surfaces of materials in perovskite/silicon tandem solar cells can significantly increase efficiency by reducing the ...
Jul 27, 2021
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13
Engineering
Researchers have developed a new gas sensor that is compact and lightweight enough to monitor emissions in ship exhaust from an airborne vehicle. The device uses mid-infrared supercontinuum gas spectrometry to simultaneously ...
Jul 16, 2021
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4
Engineering
Free-space optical (FSO) communications has the potential for wide use in the license-free, interference-free transmission of data in unenclosed areas. By using laser beams to propagate through an open-air medium, FSO transmission ...
May 7, 2021
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5
Telecom
Extremely low transmission latency is one of the key features promised by 5G communication networks. Additionally, smart networking requires technologies that monitor and anticipate failures to facilitate rapid network repair.
Apr 29, 2021
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