China to build 'world's fastest' wind tunnel

China has announced it is building the world's fastest wind tunnel to develop a new generation of super-fast airplanes, but it could also be used for hypersonic missile technology.

Getting quicker – more quickly

A new procedure simplifies wind tunnel tests and makes the results visible immediately. Athletes have gone up against the wind at ETH to test the new method.

Even light oiling is like flying with a ball and chain for birds

It's a depressingly familiar sight when an oil well blows or a tanker runs aground: thousands of stranded, helpless animals wallowing in cloying crude oil. 'Birds are often used as the poster children for the deadly effects ...

Winging it: How do bats out-maneuver their prey?

Bats catch food 'on the wing' without touching the ground, but how do they do it? A new study by Per Henningsson at Lund University, Sweden is the first of its kind to analyse the aerodynamics of bats performing manoeuvers ...

Fluctuating forces of flight captured by new, high-tech paint

As it thunders upward through the Earth's atmosphere to carry a spacecraft into orbit, a rocket is buffeted by a chaotic flow of air. At high speeds, airplanes experience a similar, unsteady flow of air over their wings. ...

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