New research suggests black holes are unstable, challenging Einstein's theory of general relativity and the Kerr solution.

It's one of the most fundamental problems in mathematics. It had been considered totally out of reach before this.” ...

Previously: Part 5. Next: Part 7. A category theorist might imagine that a chapter with this title would be about constructing colimits, and they’d be half right.

Cadabra is a symbolic computer algebra system, designed specifically for the solution of problems encountered in quantum and classical field theory. It has extensive functionality for tensor computer ...

Applying group theoretic optimisations to speed up the computation of God's Number of the Pocket Cube, i.e., the eccentricity of the solved configurations in its Cayley Graph.

Some of the Ordovician craters might not be Ordovician at all. “The ring theory should be tested by pushing our analytical limits to get more precise dates from radiometric minerals reset during ...

That said, here is every major smart ring brand ranked from worst to best. Circular's vision for its smart rings was to create a simple, wearable device that fits seamlessly into anyone's lifestyle.

Gorgeously designed, easy to wear, long-lasting and full of granular health information, the Oura Ring 4 is nearly the perfect fitness tracker. I loved using it, and will continue to do so ...

Samsung Galaxy Ring launched in three colours The wearable comes with a sizing kit It ships with Samsung’s proprietary Health AI features ...

It’s been three years since the third-generation Oura ring first put smart rings on the map. In that time, I’ve tested several different wearable rings, all hoping to outshine Oura as the ...

Accelerate your tech game Paid Content How the New Space Race Will Drive Innovation How the metaverse will change the future of work and society Managing the Multicloud The Future of the Internet ...

Both the Oura Ring 4 and the Galaxy Ring are designed to be worn for extended periods of time, so comfort has to be one of the main considerations. The Oura Ring 4 has a comfortable fit ...