Items of Interest

Regex Crossword

#255
Want to pass a few hours in the blink of an eye through shear frustration? Well today is your lucky day! :-p This regex crossword was created by Jimb Essler based on a puzzle written by Dan Gulotta for the 2013 MIT Mystery Hunt. I've unsuccessfully spent two late nights trying to solve this so far :-) 
Web Dev

Faster Linear Equation Solving

#255
Richard Peng and Santosh Vampala of Georgia Institute of Technology have developed a new method of solving linear equations that is faster than matrix multiplication. Quanta magazine published an interesting article describing the new method, how it differs from standard matrix multiplication using coordinated random guessing, and how it can solve any sparse linear equation in n2.332 steps compared to the n2.372 of matrix multiplication.
Science
Tech

Natrium Molten Salt HALEU Nuclear Reactor

#254
Nuclear reactor company Natrium, which is backed by Bill Gates' Terrapower, has received a US$80m Department of Energy grant to build a demonstration reactor by the mid 2020s. The 345MWe reactor can power 225,000 homes and uses molten salt as an energy storage and transfer system, which is safer than pressurised water and removes the need for a large amount of concrete shielding.
Environment
Innovation
Science

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