WSJ.com Video - Tech

5G Service Launches Amid Flight-Safety Uncertainty

Wed, 19 Jan 2022 19:20:00 GMT

Airlines canceled some flights before a new 5G wireless service rolled out, even after Verizon and AT&T agreed to limit the signal around U.S. airports. The FAA says the service could affect airplane safety systems, a claim the wireless industry refutes. Photo: Justin Lane/Shutterstock

3G Is Shutting Down. I Brought My iPhone 4 Back to Life to Say Goodbye.

Fri, 14 Jan 2022 10:00:00 GMT

Starting in February, U.S. cellular carriers will begin to shut down 3G. WSJ’s Joanna Stern got an old iPhone 3G and iPhone 4 working on the old network, in order to remember all it did to shape the smartphone revolution. Photo illustration: Preston Jessee for The Wall Street Journal

Are Musk’s Starlink Satellites Overcrowding Space? Why China, Rivals Say So

Mon, 10 Jan 2022 10:57:37 GMT

SpaceX’s Starlink faces safety complaints from China and rival companies. As Elon Musk says there’s plenty of room in space and the race to expand satellite internet networks ramps up, WSJ looks at the risks they could pose. Photo Illustration: Sharon Shi

Investors Buy up Metaverse Real Estate in Virtual Land Boom

Tue, 04 Jan 2022 10:30:00 GMT

Real-estate transactions in the metaverse are reaching record highs. We spoke with companies investing in digital real estate to understand the economic model, and why investors are spending millions on virtual property. Photo: Republic Realm

Elon Musk’s Banner Year: Milestones on Earth and in Space

Mon, 27 Dec 2021 10:30:00 GMT

This year, billionaire CEO Elon Musk reached several milestones across Tesla, SpaceX and Starlink. WSJ reporters Rebecca Elliott and Micah Maidenberg break down some of his biggest moments in 2021 and what’s to come in 2022. Illustration: Tom Grillo

What’s After Omicron? How Scientists Hunt for New Coronavirus Variants

Fri, 24 Dec 2021 10:30:00 GMT

Scientists are using automation, real-time analysis and pooling data from around the world to rapidly identify and understand new coronavirus variants before the next one spreads widely. Photo Illustration: Sharon Shi

The Race for Self-Driving Taxis: Waymo Puts Urban Terrain to the Test

Wed, 22 Dec 2021 10:30:00 GMT

Waymo is operating fully driverless robotaxis in Chandler, Ariz., and recently took a step toward offering the same to riders in San Francisco. It is a test that could provide a roadmap for Waymo’s expansion and help the Google sister company build a revenue-generating business. Photo: Karl Mollohan

NFTs, Crypto Wallets and More Explained by Putting My Son's Art on the Blockchain

Mon, 13 Dec 2021 11:30:00 GMT

Do terms like “nonfungible token,” “minting,” and “gas fees” sound like a foreign language to you? To better understand it -- and explain it -- WSJ’s Joanna Stern turned her son’s art into an NFT on the Ethereum blockchain. Photo illustration: Jacob Reynolds

An Exclusive Look at Merck’s Efforts to Help Make Rival J&J’s Covid Vaccine

Sat, 11 Dec 2021 10:27:00 GMT

After Merck’s Covid-19 vaccine candidates failed, the drugmaker partnered with rival Johnson & Johnson. WSJ reporter Jared Hopkins takes us behind the scenes, as the first Merck-made shots are released for distribution. Photo: Hannah Yoon/WSJ

Watch: Instagram Head Adam Mosseri Defends Apps’ Online Safety Record

Wed, 08 Dec 2021 22:28:43 GMT

Instagram’s top executive Adam Mosseri pushed back against some lawmakers’ assertions that social-media products are designed to be addictive, during a Senate Commerce subcommittee hearing Wednesday. Photo: Drew Angerer/Getty Images