Engineering
The best-known byproduct of ultrasound—so named because its frequencies exceed the range of the human ear—is, in fact, not audio but visual: 2D imagery, often of a fetus maturing in the womb. But ultrasound has also found ...
Mar 20, 2024
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Energy & Green Tech
An Argonne team developing materials for solid-state batteries has taken an unexpected detour to investigate tiny short-circuits known as soft-shorts. Their insights will benefit battery researchers around the world.
Feb 7, 2024
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Robotics
Researchers have developed a fluid switch using ionic polymer artificial muscles that operates at ultra-low power and produces a force 34 times greater than its weight. Fluid switches control fluid flow, causing the fluid ...
Jan 11, 2024
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Engineering
Cantilever fans move air through a flapping action, similar to hand-fans. Commercially available, they are combined with a piezoelectric bender, which provides their motive force. These fans are low noise, low power and have ...
Electronics & Semiconductors
Scientists have discovered a way to design materials that improve energy efficiency, in a breakthrough that could help the fight against climate change, make manufacturing greener, and could even take the hassle out of charging ...
Oct 17, 2023
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84
Energy & Green Tech
There is a largely untapped energy source along the world's coastlines: the difference in salinity between seawater and freshwater. A new nanodevice can harness this difference to generate power.
Sep 24, 2023
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407
Energy & Green Tech
Because the sun does not shine at night but all our screens do, we need energy storage to shift solar energy production during the day to when it is needed in the evening. To cope with this intermittence of renewables, we ...
Computer Sciences
How does the human brain navigate complex circumstances—say, driving through Harvard Square traffic at 5 p.m.?
Jul 13, 2023
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56
Engineering
A common food and medicine additive has shown it can boost the capacity and longevity of a next-generation flow battery design in a record-setting experiment.
Jul 10, 2023
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247
Engineering
Many fluid-based wearable assistive technologies today require a large and noisy pump that is impractical—if not impossible—to integrate into clothing. This leads to a contradiction: wearable devices are routinely tethered ...
Mar 30, 2023
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