Why fly Difficult beaten?

How many times have you successfully swat a fly with your hands? Difficult is not it? Secret behind the ability to now have been known explanation.

During 20 years examining biomekanika wing fly, Michael Dickinson of the California Institute of Technology (Caltech) new solve now. That is because he's not always a simple question to the Frequently Asked Questions and a lot of people who found it.

"Now I have the answer," Dickinson said that research with Esther M and M Abe Zarem. He found a secret maneuver after recording a number of fly that threatened cuff using a digital camera that can record speed and with high resolution.

They found that the fly can identify threats based on the location. The brain is calculating how much of a threat before it decided to wing flutter and fading.

Predict the direction after the threat, foot rest to fly to the opposite direction. All the preparation you can get away with the very fast, only 100 milliseconds after it detects the existence of danger.

"This shows that the speed fly brain to process information sensorik be the appropriate response to the movement," said Dickinson. In fact, fly set the appropriate body postures of threat.

This means that fly has been well integrated with the information from the eyes and visual information in metasensorik feet. The findings provide guidance on the fly nervous system and brain showed that in its position there is a threat mapping system.

"This is a transformation of stimulus into the movement a little research and complex search for the next part of the brain organize," he said.

From the system, Dickinson can also suggest how to most effectively swat a fly. According to him, the best time not swat a fly when the position is ready to fly, so the time need to anticipate the threat is relatively long. Of course not easy to make accurate movements of less than 100 milliseconds.