High-Speed Digital Imaging Shows Why Flies Outsmart You

Scientist at Caltech have discovered why oh why one of the most basic artifacts on earth , the looming swatter , fails against its winged curse , the tent-fly . In fact , using high - resolve , high - speed digital tomography , they have regain out what ’s the enigma to the tent-fly ’s 100 milliseconds evasive maneuvering . Which is why I detest them so much , and fully explains why my best-loved videos are the ones of the wingless fly and the legless fly trying to get by ( which I guess makes me some sort of a psychotic person ) . Wingless Takeoff

For example , the videos showed that if the descending swatter — actually , a 14 - centimeter - diam black disk , dropping at a 50 - degree slant toward a fly sheet standing at the center of a little platform — come in from in front of the fly , the rainfly incite its middle leg forrader and leans back , then raise and extends its legs to push off backward . When the threat come from the back , however , the fly ( which has a nearly 360 - degree field of view and can see behind itself ) moves its halfway legs a tiny piece backwards . With a menace from the side , the fly observe its mediate legs stationary , but leans its whole consistence in the diametrical direction before it jumps .

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