Robotics

How to keep drones flying when a motor fails

Robotics researchers at the University of Zurich show how onboard cameras can be used to keep damaged quadcopters in the air and flying stably—even without GPS.

Internet

TikTok tightens privacy features for younger users

A month after federal regulators ordered it to disclose how its practices affect children and teenagers, TikTok is tightening its privacy practices for the under-18 crowd.

Security

New Zealand central bank says data system hacked

New Zealand's central bank said Sunday that one of its data systems has been breached by an unidentified hacker who potentially accessed commercially and personally sensitive information.

Engineering

The first endovascular technology that can explore capillaries

At EPFL, Lucio Pancaldi, a Ph.D. student, and Selman Sakar, an assistant professor, have harnessed hydrokinetic energy (mechanical energy resulting from the motion of liquids) to get an instrument into places in the human ...

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Information

Information as a concept has a diversity of meanings, from everyday usage to technical settings. Generally speaking, the concept of information is closely related to notions of constraint, communication, control, data, form, instruction, knowledge, meaning, mental stimulus, pattern, perception, and representation.

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