Large-Scale Dimension Reduction with Both Global and Local Structure (2021) [pdf]

Elon Musk criticizes OpenAI’s potential move from non-profit to for-profit structure

Hollow concrete mimics human bones for 5x better toughness | Engineers have developed a new kind of concrete that promises more than 5 times the damage resistance of the usual stuff, by poking holes in its structure.

New method turns plastic waste into valuable resources with vaporizing process | The new catalysts simplify the process by eliminating the need for a previously crucial step: removing hydrogen to create breakable points in the plastic’s structure.