Engineering

Are we there yet? Time slows down on crowded train

Testing time perception in an unusually lifelike setting—a virtual reality ride on a New York City subway train—an interdisciplinary Cornell research team found that crowding makes time seem to pass more slowly.

Internet

Twitter users can soon get blue check for $7.99 monthly fee

Twitter has announced a subscription service for $7.99 a month that includes a blue check now given only to verified accounts as new owner Elon Musk works to overhaul the platform's verification system just ahead of U.S. ...

Energy & Green Tech

Do electric scooters reduce car use?

Banning scooters may reduce sidewalk congestion and keep would-be riders and pedestrians safer, but it comes at a cost, according to new research from Georgia Tech's School of Public Policy.

Energy & Green Tech

Power supply: Understanding unstable grids

A sustainable energy supply requires the expansion of power grids. However, new transmission lines can also lead to grids becoming more unstable rather than more stable, as would be expected. This phenomenon is referred to ...

Engineering

Artificial soft surface autonomously mimics shapes of nature

Engineers at Duke University have developed a scalable soft surface that can continuously reshape itself to mimic objects in nature. Relying on electromagnetic actuation, mechanical modeling and machine learning to form new ...

Computer Sciences

Bird's-eye view improves safety of autonomous driving

In the Providentia++ project, researchers at the Technical University of Munich (TUM) have worked with industry partners to develop a technology to complement the vehicle perspective based on onboard sensor input with a bird's-eye ...

Engineering

New inexpensive Wi-Fi system improves fire detection

A Sydney Harbor Tunnel explosion showcases the work of UNSW researchers using wireless signals and artificial intelligence to more accurately identify dangerous fire situations.

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