Even the lowest-resolution computer screens provide better images than today’s best analog televisions. No wonder television broadcasting is going digital. Digital signals carry more information than analog ones, the images they provide are sharper, and they can be displayed in the wide-screen format typical in movie theaters. The U.S. Congress has set December 31, 2006, as the target date for all domestic TV broadcasts to be sent digitally. (It could be extended, though, until 85 percent of homes have TVs that can receive the signals.)
Why China is still obsessed with disinfecting everything
Most public health bodies dealing with covid have long since moved on from the idea of surface transmission. China’s didn’t—and that helps it control the narrative about the disease’s origins and danger.
These materials were meant to revolutionize the solar industry. Why hasn’t it happened?
Perovskites are promising, but real-world conditions have held them back.
Anti-aging drugs are being tested as a way to treat covid
Drugs that rejuvenate our immune systems and make us biologically younger could help protect us from the disease’s worst effects.
A quick guide to the most important AI law you’ve never heard of
The European Union is planning new legislation aimed at curbing the worst harms associated with artificial intelligence.
Get the latest updates from
MIT Technology Review
Discover special offers, top stories, upcoming events, and more.