McLaren replaces wiper blades with a force field of sound waves

McLaren is known for Formula 1 race cars, but it also produces other sports cars. Here they also try to apply unusual scientific and technical innovations. For example, the company's chief designer Frank Stephenson (Frank Stephenson) said in an interview with the Sunday Times publication that in future McLaren models, the usual windshield wipers on the windshield will replace the force field of sound waves.

It is no secret that standing sound waves can move objects in space. For example, a couple of months ago, scientists from Zurich, Switzerland, demonstrated controlled acoustic levitation of liquid droplets, grains of hard materials and a wooden toothpick.


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In McLaren cars for cleaning foreign objects from the windshield will apply ultrasound at a frequency of 30 kHz. The sound wave generator will probably also be located on the windshield. He can shed rain, snow and even insects from the glass.

The sound at such a frequency inaudible to the human ear. People do not perceive the sound above 20 kHz, but some animals can hear it. For example, in dogs and cats, the sensitivity range is 60 kHz and 79 kHz, respectively. Check your limit of sound perception, for example, on the website Noise Addicts .

Frank Stephenson chose not to go into details and said only that the technology was developed in the army. All in all, a very good idea. Let's hope that our children in robotic cars will not have to mess around with squeaky, dirty and freezing rubber on the wiper blades.