Butterflies are teaching scientists important lessons that could be used in designing flying robots.
The military wants to be able to use bug-size robots to fly into areas without risking human lives. They call their robots MAVs, short for micro air vehicles.
(Robert J. Wood and Pratheev Sreethara/Harvard University) - Butterfly research is being used in the development of micro air vehicles such as this one.
The problem is that the robots don’t do as good a job of flying in tight spaces with changing wind conditions as do butterflies.
“Flying insects are capable of performing a dazzling variety of flight maneuvers,” said Tiras Lin, a Johns Hopkins University student who is doing some of the research. “In designing MAVs, we can learn a lot from flying insects.”
Because butterflies move their wings far too quickly for the human eye to detect all the movements, Lin and other researchers have come up with a special camera that takes 3,000 images per second. (Your family’s video camera takes no more than 60 images a second!) Other universities are at work developing their own tiny fliers.
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