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Digital Video Images Butterflies

Photonics Spectra
Jan 2003
Researchers at Oxford University in the UK have used high-speed digital video to study the wing beats of red admiral butterflies. The studies, reported in the Dec. 12 issue of Nature, were conducted in a low-turbulence, low-noise wind tunnel with a nontoxic white smoke illuminated by car headlights powered by a 12-V car battery.

The rapid wing beats were captured using an array of high-speed digital cameras. Researcher Adrian L.R. Thomas indicated that today's frame rates, resolution and ease of use made this research possible. Filmed at 250 fps with a CCD camera from NAC Image Technology, the complexity of the flight patterns may translate into advances in micro air vehicles, missile design and advanced aeronautics.

As We Go To PressBreaking Newshigh-speed digital camerashigh-speed digital videoPresstime Bulletinred admiral butterflies

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