Physicists have long struggled to unite quantum mechanics—the theory governing tiny particles—with Einstein’s theory of ...

Kyler Murray, Kenneth Walker, and Mike Evans headline a free agent class loaded with NFL starters looking for new teams.

A new computational simulation of the early universe has revealed a fundamental, unbreakable geometric limit to the fabric of spacetime, dubbed the “Metric Wall.” Discovered by independent physics ...

Elon Musk has built his reputation around a consistent idea that many industries are slower and more expensive than they need to be. From electric vehicles to spaceflight and artificial intelligence, ...

As more than 120 million people tuned in to the Super Bowl for kickoff on Sunday evening, SpaceX founder Elon Musk turned instead to his social network. There, he tapped out an extended message in ...

As Intel continues to try to turn itself around, its CEO promised that the company will start producing a new type of chip, one that has been made very popular by rival Nvidia. At the Cisco AI Summit ...

A groundbreaking study, published in the September 2025 issue of the International Review of Economics & Finance, reveals that a surprisingly simple metric—the difference between current S&P 500 ...

The CRASH Clock is a new metric for measuring the risks of satellite congestion in low-Earth orbit. Its calculations are disturbing. Reading time 2 minutes Last week, a Chinese spacecraft passed ...

Editor's Note: This essay appeared in Cog's newsletter, sent every Sunday. We share stories that remind you we're all part of something bigger. Sign up here. I did something last week I hadn’t done in ...

Abstract: We apply entropically regularized Wasserstein geometry to the setting of a discrete metric space, where the cost functions are given by different choices of graph metric, which capture ...

So it seems that there are no examples (at least I didn't see it, if there are please let me know) that use discrete action space in IsaacLab. My task is following: I have a floating camera and I want ...