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Aerodynamics News

Butterflies create jet propulsion with a clap of their wings

Paris - The whimsical, wafting flight of butterflies may not give the impression of top aerodynamic performance, but research published on Wednesday suggests their large flexible wings could be perfectly designed to give them a burst of jet propulsion.

Long-track speedskaters have a bit of technology up their sleeves

Speed skating is an Olympic event where a thousandth of a second can make the difference between who gets a medal and who doesn't, so athletes rely on technology to give them an edge.

What makes a soccer ball curve?

Watching Jermaine Jones’ picture-perfect goal in the US vs. Portugal World Cup game, as the ball curved perfectly into the far back corner of the net, raises the question — how does that happen?

Bats use the insect approach to hovering- and we still don’t know how to do it

If you’re a bat, (and some of us are), hovering is a pretty useful thing to do. You can just hang there, waiting for food, or taking the weight off your feet waiting on lines to do pointless things. It makes going to the bank so much more interesting.
 

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The artificial bumps on helicopters are smaller than those on a humpback whale; they have a diameter...
The artificial bumps on helicopters are smaller than those on a humpback whale; they have a diameter of six millimetres and weigh just 0.04 grams.
DLR Institute of Aerodynamics and Flow Technology

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