Category Archives: Technology
Satellite Internet: SpaceX Battles China In Space
SpaceX has more than 1,000 satellites beaming high-speed internet to Earth, but China promises to offer higher speeds with the launch of what it calls the world’s first 6G satellite. Here’s how both are on a quest to build powerful internet networks in space. Photo illustration: Sharon Shi
Inside Views: Cataract Surgery Procedure
The patient is awake as a laser cuts her cataract into six pieces. Then, she heads into the operating room. When she wakes up, her cataracts and nearsightedness are gone.
Reviews: Pros & Cons Of Indoor Smart Gardens
Can smart gardens really grow delicious vegetables inside your apartment? WSJ asked Timothy Hammond, an urban gardener and educator in Houston, to test out Rise Gardens hydroponic smart garden to see how the vegetables compare with his own outdoor garden. Photo: Ben Hallock for The Wall Street Journal
Technology: Zero-Carbon Hyrdrofoil Ferries (WSJ)
The America’s Cup, the world’s oldest sailing competition, has a reputation for fostering innovation. In 2013, contestants began to use hydrofoils-underwater wings on the hull-to lift their boats out of the water during the race, allowing them to reach highway speeds and revolutionizing the sport.
An Olympic sailor and a billionaire oil trader are now reimagining the technology to make passenger ferries faster and more eco-friendly. Newest Oldest Longest Shortest Random
Money & Investments: Bitcoin – Explained (Video)
Bitcoin and other cryptocurrencies set out to upend the financial order and replace conventional money. Bitcoin has certainly disrupted the global financial system, but can it ever live up to the hype? Read our latest report on cryptocurrency: https://econ.st/3wnYfRr
VW: Engine Factories Turn Into EV Battery Plants
Volkswagen is investing in electric vehicles more than other legacy car makers in the U.S. WSJ goes inside an engine factory that is being transformed into a battery plant as the German giant looks to change its image and become a rival to Tesla. Photo illustration: George Downs
Green Energy: Using Soil To Generate Electricity
Bioo is generating electricity from the organic matter in soil and creating biological batteries to power agricultural sensors, a growing $1.36 billion global market. Eventually, Bioo envisions a future where biology could help to power our largest cities.
Analysis: United Airline’s Bet On Supersonic Flight
United Airlines’ announcement that it plans to buy 15 supersonic aircraft from the startup Boom Supersonic is raising questions about the future of ultra-fast plane travel. In this video, WSJ speaks with an industry analyst to better understand what’s next for faster-than-sound air travel. Photo: Boom Supersonic
Technology: Quantum Computers, Explained
Quantum computers aren’t the next generation of supercomputers—they’re something else entirely. Before we can even begin to talk about their potential applications, we need to understand the fundamental physics that drives the theory of quantum computing. (Featuring Scott Aaronson, John Preskill, and Dorit Aharonov.) For more, read “Why Quantum Computers Are So Hard to Explain”: https://www.quantamagazine.org/why-is…
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