Microchips, once always thin and flat, now are getting stacked like pancakes and becoming 3-D—with big consequences for all our devices.

Christopher Mims writes Keywords, a weekly column on technology. Before joining the Journal in 2014, he was the lead technology reporter for Quartz and has written on science and tech for publications ranging from Technology Review, Smithsonian, Wired, the Atlantic, Slate and other publications. Mims, who has degree in neuroscience and behavioral biology from Emory University, lives in Baltimore.
November 19, 2017 02:00 pm ET
Microchips, once always thin and flat, now are getting stacked like pancakes and becoming 3-D—with big consequences for all our devices.
November 12, 2017 12:00 pm ET
Whether it’s winning at games like Go or keeping watch for Russian influence operations, the best AI-powered systems require humans to play an active role in their creation, tending and operation.
November 5, 2017 12:00 pm ET
Virtual restaurants, without dining rooms or wait staff, bring their new menus and dining concepts to customers using food apps and online delivery services.
October 29, 2017 12:00 pm ET
Facebook and other internet giants face possible sweeping change as lawmakers and regulators line up to enforce vows of transparency for political content.
October 22, 2017 12:00 pm ET
Artificial intelligence permeates everything at Facebook, the social network’s head of applied machine learning says—and humans are bound to understand Facebook less than ever.
October 15, 2017 11:00 am ET
A combination of solar power and the rise of residential energy storage is paving the way for a new kind of cable cutting.
October 8, 2017 09:29 pm ET
A flood of new sensors and data suggests the route to fitter, happier, more-productive workers is micromanaging our office environments as if we’re all on a long-haul flight to Mars.
October 1, 2017 11:00 am ET
Facebook, which went mainstream as a friendly place to swap baby pictures and cat videos, has yet to fully come to terms with what Russian-paid election ads may have done to its brand and reputation.
September 24, 2017 12:00 pm ET
Companies like Equifax don’t like you knowing they’ve been hacked—but it would be better for consumers and businesses if they were quicker to report it.
September 17, 2017 12:00 pm ET
Delays in delivery of hot gadgets from big tech firms are so common, you would almost think they are deliberate—and sometimes they are.
September 11, 2017 12:22 pm ET
Look forward to leaps that will not only eliminate dead spots in home Wi-Fi coverage but also handle bandwidth-hungry gadgets and help you stream crazy high-resolution video.