#video | How the flies land on the ceiling?

One of the most amazing abilities of flying insects is their ability to sit on the ceiling. Houseflies certainly make this action thousands of times a day but scientists still have no idea exactly how they do it. But this knowledge would have helped engineers to create a completely new aircraft that is unthinkable today maneuvers. Seem, interested scientists dozens of years the question is finally answered. Researchers from the U.S. state of Pennsylvania removed a method of landing of flies on a ceiling on a high speed camera and told about all performed their movements in the scientific journal Science Advances.

Flies are mainly day way of life

The author is an American mechanical engineer named Bo Cheng, who for many years created the mechanisms that mimic the movement of insects. In the course of studying scientific literature, he noted that in the entire history of humanity were not studied planting methods flies on the ceiling. Most likely, the reason for this was the lightning fast movement of the insect that previously was simply to capture on camera. Today, however, scientists already have all the tools needed to monitor such subtle processes.

How a fly flies?

Engineer Bo Cheng and his colleagues armed with a camera capable of shooting slow-motion video and caught 20 individuals of blackheads blue fly (Calliphora vomitoria). Insectsthat have amazing agility, was placed in a special chamber. On his ceiling was a fixed camera, and the floor would vibrate for a team of scientists and thereby to force the flies to take off and land on the ceiling.

It looks like blackheads blue fly (Calliphora vomitoria)

Filmed the behavior of all 20 flies, scientists have found that the process of attaching to the ceiling the flies occurs in four stages. At the beginning the insect shoots up and accelerating. Then flying creature makes a full or partial turn the body upside down, resulting in 50 milliseconds decides how she needs to stretch his legs and to gain a foothold on the ceiling. This whole process in General lasts for 60 milliseconds, which takes about 10 strokes of the wings.

Of course, this method is used not all the flies, but the most correct version of the landing looks that way. In other cases, insects often make mistakes and are unable to gain a foothold on the ceiling at the first attempt. This discovery is really important for the scientific community, as they are able to help in creating a more modern aircraft. However, the rush to create a serious of equipment is not worth it, because the researchers could make a mistake in the observations.

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According to biologist Jessica Fox, who was not involved in the study, in fact, flies can be more reliable method of detection. At the moment the error of American scientists is that they forced the flies to fly independently, using vibrations of the floor. The flies were scared of sudden movements and were forced to seek a landing place much faster than usual. But if you allow insects to fly by yourself you can get totally different results of the study.

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