Engineering

High-speed experiments improve hypersonic flight predictions

When traveling at five times the speed of sound or faster, the tiniest bit of turbulence is more than a bump in the road, said the Sandia National Laboratories aerospace engineer who for the first time characterized the vibrational ...

Engineering

'Smart' pajamas could monitor and help improve sleep

If you've ever dreamed about getting a good night's sleep, your answer may someday lie in data generated by your sleepwear. Researchers have developed pajamas embedded with self-powered sensors that provide unobtrusive and ...

Consumer & Gadgets

Apple Watch may spot heart problem but more research needed

A huge study suggests the Apple Watch can detect a worrisome irregular heartbeat at least sometimes—but experts say more work is needed to tell if using wearable technology to screen for heart problems really helps.

Robotics

Researchers develop 'soft' valves to make entirely soft robots

In recent years, an entirely new class of robot—inspired by natural forms and built using soft, flexible elastomers—has taken the field by storm, with designs capable of gripping objects, walking, and even jumping.

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Pressure

Pressure (symbol: p or P) is the force per unit area applied in a direction perpendicular to the surface of an object. Gauge pressure is the pressure relative to the local atmospheric or ambient pressure.

This text uses material from Wikipedia, licensed under CC BY-SA