Scientists finally know why hum mushrooms – BGR

Of all the birds on this planet, mushrooms are one of the most unique and, if I may say, charming. Even if you live in an area with mushrooms, it is a very rare sight to see one. You can boost your chances by consuming mushroom foods, which are basically like fake flowers filled with a sugar mix, but that’s not a guarantee for you to see one. When one wakes up, however, you will know for sure because of the heavy humorous sound it makes as its wings flutter so fast that they are only slightly warmer.

You may have never wondered what exactly makes the croaking sound. I mean, the wings of birds are moving very fast, but what are the mechanics behind the sound generation? That’s exactly what scientists wanted to figure out, and in a new study published in eLife, a team of researchers has explained in detail for the first time.

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One of the big challenges in making a hummingbird hum is that its wings move so fast. You need some very flexible equipment to properly study the birds with any degree of error, but researchers at Stanford were able to design a system made up of microphones, cameras, and pressure sensors that are sensitive enough to detect the air pressure changes created by the vibration. wings. This allowed them to generate a “3D acoustic model” that finally revealed the mysteries of the commas.

The hum is generated from “the difference in weight between the top and bottom of the wings, which changes both in size and side as the wings go back and forth,” a press release said. going with the study explaining. Larger birds may produce a “whooshing” sound in flight, created by the powerful but slow-moving hummingbirds of Humoftbirds as their wings flutter. moves so fast that there is pressure on both hitting up and down the wing, allowing the bird to move but also turning the sound of each flap into a hum.

“This is why birds and insects make different noises,” David Lentink, co-author of the study, said in a statement. “Mosquitoes roar, bees swarm, hum mushrooms, and larger birds ‘woosh’. Most birds are relatively quiet as they generate most of the lift just once at the time of the flight at the downhill. Mushrooms and insects are weirder because they do so twice per flight. ”

The researchers say that while the findings of the study are interesting in their own right, they could be applied to future technology such as new drones that are quieter while traveling through the air. In fact, since some claws can flutter their wings up to 80 times in one second, it is unlikely that we will see a drone capable of mumbling these strange birds anytime soon.

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