IEEE Spectrum’s general technology blog, featuring news, analysis, and opinions about engineering, consumer electronics, and technology and society, from the editorial staff and freelance contributors.Sign up for the Tech Alert newsletter and receive ground-breaking technology and science news from IEEE Spectrum every Thursday.Elon Musk is touting a mysterious project that he says will shoot people from San Francisco to Los Angeles in 30 minutes17 JulNIST devises a low-cost, one-minute method for making optical frequency combs, tools increasingly important to precision measurements15 JulProgress in quantum computing drives a debate over whether it’s possible to observe a particle without disturbing it…as much.15 JulSpin-and-temperature-dependent fluorescence of diamond defects push limits of thermal measurement27 Jun