Energy & Green Tech
Lithium-sulfur batteries can potentially store five to 10 times more energy than current state-of-the-art lithium-ion batteries at much lower cost. Current lithium-ion batteries use cobalt oxide as the cathode, an expensive ...
Feb 6, 2024
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115
Engineering
Power grids—the web of electrical networks that sprawl across countries and continents—are under stress. Extreme weather events and volatile energy demands often push the system to the brink. Although these high-impact ...
Oct 18, 2023
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25
Hardware
Scientists at Rice University in Houston, Texas have developed a fabric-based wearable device that "taps" a user's wrist with pressurized air, silently helping them navigate to their destination. The study, published August ...
Aug 29, 2023
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73
Energy & Green Tech
Perovskite solar cells (PSCs) have gained attention for their high power-conversion efficiencies and low-cost solution processing. However, ensuring their stability at high temperatures has been a challenge, as the points ...
Jul 13, 2023
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78
Engineering
A team of material scientists at the University of Maryland, working with one colleague from Jiaotong University and another from Beihang University, both in China, has developed a cleaner approach to building cooling systems ...
Engineering
A team of physicists and material scientists at the University of Colorado has developed a way to better insulate double-paned glass used for windows by adding a transparent aerogel. In their paper published in the journal ...
Energy & Green Tech
A bright, sunny, cloudless day might seem like the optimal setting for solar cells. But too much sun, and too much heat, can actually reduce the efficiency of photovoltaics.
Nov 29, 2022
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40
Engineering
Engineering researchers have created new high-power electronic devices that are more energy efficient than previous technologies. The devices are made possible by a unique technique for "doping" gallium nitride (GaN) in a ...
Sep 6, 2022
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232
Electronics & Semiconductors
Researchers from UNSW Sydney have developed a tiny, transparent and flexible material to be used as a novel dielectric (insulator) component in transistors. The new material would enable what conventional silicon semiconductor ...
Aug 3, 2022
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114
Computer Sciences
A new computer algorithm developed by the University of Toronto's Parham Aarabi can store and recall information strategically—just like our brains.
Jul 14, 2022
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