Lifeboat Foundation

A team in Cornell Engineering created a new lithium battery that can charge in under five minutes – faster than any such battery on the market – while maintaining stable performance over extended cycles of charging and discharging.

The breakthrough could alleviate “range anxiety” among drivers who worry electric vehicles cannot travel long distances without a time-consuming recharge.

“Range anxiety is a greater barrier to electrification in transportation than any of the other barriers, like cost and capability of batteries, and we have identified a pathway to eliminate it using rational electrode designs,” said Lynden Archer, Cornell’s James A. Friend Family Distinguished Professor of Engineering and dean of Cornell Engineering, who oversaw the project. “If you can charge an EV battery in five minutes, I mean, gosh, you don’t need to have a battery that’s big enough for a 300-mile range. You can settle for less, which could reduce the cost of EVs, enabling wider adoption.”

A recent discovery of a Gamma-ray burst (GRB) named GRB 220627A has left astronomers puzzled. GRBs are the most powerful explosions in the universe since the Big Bang, and typically last only seconds to a few minutes. However, GRB 220627A lasted for more than a thousand seconds, or just shy of 17 minutes, and arrived in two powerful bursts from an unknown event 2 billion years into the universe’s existence.

While the source of the burst appears to be ordinary, its length and double-burst nature have left astronomers puzzled. The likeliest explanation is that the GRB is the product of gravitational lensing, which is the warping of distant light sources by extremely massive objects such as galaxies and black holes. This would stretch, distort, and create echoes of the GRB’s signal before it arrived at Earth.

When a massive star runs out of fuel, it collapses before exploding outward in a gigantic supernova, leaving behind an ultra-dense neutron star or a black hole. It is these stellar explosions —and occasionally even collisions between two neutron stars — that produce powerful bursts of gamma rays that can be picked up by space observatories such as NASA’s Fermi Gamma-ray Space Telescope, which detected the new GRB.

Explore life sciences with Wolfram Language Demonstrations, Function Repository, Q&As, Community posts and more, at any skill level. Research computational biology and find your computational X.

Life in the universe: everywhere or nowhere?

Posted on Big Think, direct link at https://www.searchforlifeintheuniverse.com/post/a-new-take-o…he-aliens?

Are you a caregiver? If so, you may have to help with cooking, paying bills, and more. Learn about caregiving and how to find support for yourself.

People with unusually thin retinas are at greater risk of later developing bronchitis and other conditions, suggesting retinal scans could eventually become a component of routine health screening.

By Timmy Broderick

New research links mutation rates and lifespan. We visualize the data supporting this new framework for understanding cancer.

Pimax creates the world’s first ultra-high-definition VR headset with twice the pixel count of PlayStation VR2. Find out the interesting details here.

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