Researchers from the Moscow Institute of Physics and Technology teamed up with colleagues from the U.S. and Switzerland and returned the state of a quantum computer a fraction of a second into the past. They also calculated the probability that an electron in empty interstellar space will spontaneously travel back into its recent past. The […]

PriPara Kids Cafe is one of the many beauty parlors in South Korea that cater to young girls. (Jean Chung/For The Washington Post) Last year in kindergarten, Yang Hye-ji developed her morning routine. Uniform? Check. Homework? Check. Makeup? Definitely. “Makeup makes me look pretty,” the 7-year-old said on her second visit to the ShuShu & […]

  Oranges, babies, democracy, frozen people. We take a whirlwind tour of all things on the blockchain that probably shouldn’t be. When you put a thing “on the blockchain,” you’re not actually putting it “on the blockchain.” Nothing is “on the blockchain.” The “blockchain” doesn’t exist. Instead, what you’re really doing is “notarizing information about […]

  The Consumer Electronics Show is one of the biggest technology events of the year where brand new devices and products are shown off to the world, sometimes for the very first time. As such, you’ll see some of the coolest and most exciting things at CES. However, at CES 2019 we saw some things […]

A pair of Lovot robots at their unveiling this week. Photo by Tomohiro Ohsumi/Getty Images It’s not been a great year for home robots, with two high-profile projects — Jibo and Kuri — shuttering operations. But a new competitor from Japan is entering the market with a different approach. Lovot, created by Kaname Hayashi, a […]