'World's first' solar-powered rail line opens in the UK
It could lead to trains running on solar energy in the country.
Navigation apps still lack railroad safety info the NTSB requested
Apple, Google and Microsoft haven't complied with a 2016 safety recommendation.
Google researchers trained AI with your Mannequin Challenge videos
They used 2,000 YouTube clips to improve AI's depth perception.
Google Maps can predict how crowded your train or bus will be
The public transit feature is rolling out to nearly 200 cities.
MIT finds smaller neural networks that are easier to train
MIT’s "Lottery Ticket" mini-neural networks train only the nodes they need.
Facebook contractors categorize your private posts to train AI
The practice raises a few privacy concerns.
Uber adds London's public transportation info to its app
Real-time Underground, bus, train and DLR info appears next to ridesharing options.
Tesla's Osaka station Powerpack is its largest storage system in Asia
It was installed in just two days.
California backs down on high-speed LA-to-SF rail plan
The state wants to keep its finances in check.