Science & Tech

Science & Tech

Teen, 16, worried about walking alone creates app for safety

Medha Gupta sometimes felt uneasy making the 20-minute walk from the corner where the school bus dropped her off to her home in Herndon, Va. — especially during the colder months, when it would get dark early. Her mother had a suggestion: Write an app. Divya Gupta was half-kidding, but Medha, a sophomore at Fairfax

Black entrepreneur finds success with Minnesota tech firm

UNITED States: The founder of a thriving Twin Cities startup company is providing guidance to other black tech entrepreneurs in overcoming a dysfunctional home life on the path to success. Clarence Bethea founded Upsie, a technology company that sells warranties that undercut retailers’ prices. Founded in 2016, Upsie now has more than 14,000 users, Minnesota

Facebook to verify ads with postcards after Russian meddling

FACEBOOK will soon rely on centuries-old technology to try to prevent foreign meddling in U.S. elections: the post office. Baffled in 2016 by Russian agents who bought ads to sway the U.S. presidential campaign, Facebook’s global politics and government outreach director, Katie Harbath, told a meeting of the National Association of Secretaries of State in

Waymo gets OK for driverless ride-hailing service

The first U.S. commercial ride-hailing service without human drivers has been approved. Waymo, a unit of Alphabet Inc., got a permit in late January from the Arizona Department of Transportation to operate as a Transportation Network Company, according to Ryan Harding, a spokesman at the state agency. The designation lets Waymo’s fleet of driverless Chrysler

Are we alone? NASA’s new planet hunter aims to find out

Are we alone? NASA’s new planet-hunting mission, poised to launch Monday, aims to advance the search for extraterrestrial life by scanning the skies for nearby, Earth-like planets. The Transiting Exoplanet Survey Satellite, or TESS, is poised to blast off at 6:32 pm (2232 GMT) aboard a SpaceX Falcon 9 rocket from a NASA launchpad at