Energy & Green Tech
Scientists have known since the 1950s that it is theoretically possible to generate electricity through the movement of water in locations where seawater and river water meet. This type of technology is called osmotic power ...
Jul 21, 2022
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69
Engineering
Researchers have imagined, designed, and tested an elegant lens device that can efficiently gather light from all angles and concentrate it at a fixed output position. These graded index optics also have applications in areas ...
Jun 27, 2022
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143
Energy & Green Tech
Holes help make sponges and English muffins useful (and, in the case of the latter, delicious). Without holes, they wouldn't be flexible enough to bend into small crevices, or to sop up the perfect amount of jam and butter.
Jun 7, 2022
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177
Electronics & Semiconductors
Transistors are electronic components that amplify and control the flow of electricity inside most existing electronic devices. Researchers at Pohang University of Science and Technology and the University of Electronic ...
Telecom
On Sept. 1 and 2, 1859, telegraph systems around the world failed catastrophically. The operators of the telegraphs reported receiving electrical shocks, telegraph paper catching fire, and being able to operate equipment ...
Mar 21, 2022
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6
Electronics & Semiconductors
Wireless sensors can monitor how temperature, humidity or other environmental conditions vary across large swaths of land, such as farms or forests.
Mar 16, 2022
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36
Electronics & Semiconductors
Scientists from Sandia National Laboratories have announced a tiny, electronic device that can shunt excess electricity within a few billionths of a second while operating at a record-breaking 6,400 volts—a significant ...
Mar 15, 2022
1
547
Energy & Green Tech
A research team at the University of Córdoba has designed a sustainable photovoltaic solar device that can heat water up to 80 degrees—just like a regular electric heater
Nov 5, 2021
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3451
Electronics & Semiconductors
Climate change and its consequences are becoming increasingly obvious, and solar cells that convert the sun's energy into electricity will play a key role in the world's future energy supply.
Oct 26, 2021
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532
Consumer & Gadgets
Last year, computer engineers from Northwestern University and Delft University of Technology (TU Delft) introduced the world's first battery-free Game Boy, which harvests both solar energy and the user's kinetic energy from ...
Sep 22, 2021
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