What is hydrogen, and can it really become a climate solution?
Hydrogen, or H₂, is getting a lot of attention lately as governments in the U.S., Canada and Europe push to cut their greenhouse gas emissions.
May 9, 2023
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Energy & Green Tech
Page 5 - News tagged with high power
Engineering
Australia wants to build a laser that can stop a tank. Here's why 'directed energy weapons' are on the military wishlist
"God mode," for those who aren't gamers, is a mode of operation (or cheat) built into some types of games based around shooting things. In God mode you are invulnerable to damage and you never run out of ammunition.
May 1, 2023
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Robotics
Jellyfish-like robots could one day clean up the world's oceans
Most of the world is covered in oceans, which are unfortunately highly polluted. One of the strategies to combat the mounds of waste found in these very sensitive ecosystems—especially around coral reefs—is to employ ...
Apr 25, 2023
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Energy & Green Tech
New zinc metal batteries can be cheap, efficient, durable, safe and environmentally friendly
The world needs cheap and powerful batteries that can store sustainably produced electricity from wind or sunlight so that we can use it whenever we need it, even when it's dark outside or there's no wind blowing. Most common ...
Apr 24, 2023
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Engineering
Room-temperature superconductors could revolutionize electronics—an electrical engineer explains (Retracted paper)
Superconductors make highly efficient electronics, but the ultralow temperatures and ultrahigh pressures required to make them work are costly and difficult to implement. Room-temperature superconductors promise to change ...
Mar 28, 2023
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Energy & Green Tech
Tuning thermoelectric materials for efficient power generation
In times when energy is scarce and sustainable ways of energy production are being explored, thermoelectric materials are being considered for power generation to transform waste heat into electricity. However, to make this ...
Mar 9, 2023
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Electronics & Semiconductors
New kind of transistor could shrink communications devices on smartphones
One month after announcing a ferroelectric semiconductor at the nanoscale thinness required for modern computing components, a team at the University of Michigan has demonstrated a reconfigurable transistor using that material.
Mar 8, 2023
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Energy & Green Tech
New technology makes wireless charging of electric vehicles and ferries attractive
Researchers at Chalmers have developed an induction technology that enables battery charging without the help of a human or robotic arm. The technology is also so complete that it can soon be presented to industry.
Mar 7, 2023
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Electronics & Semiconductors
Electronic metadevices break barriers to ultra-fast communications
EPFL researchers have come up with a new approach to electronics that involves engineering metastructures at the sub-wavelength scale. It could launch the next generation of ultra-fast devices for exchanging massive amounts ...
Feb 17, 2023
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Engineering
Massive outages caused by Cyclone Gabrielle strengthen the case for burying power lines
Another extreme weather event has highlighted the weak points in New Zealand's critical infrastructure. As Cyclone Gabrielle ripped across the North Island, nearly 225,000 people lost power.
Feb 15, 2023
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