2000 Microphones Used to Unlock Mystery of Why Hummingbirds Hum
[ad_1] Anna’s Hummingbird / Becky Matsubara, CC license The hummingbird is named after its pleasant humming when it hovers in front of flowers to feed. But only now has it become clear how the wing generates the hummingbird’s namesake sound when it beats rapidly at 40 beats per second. Researchers from Eindhoven University of Technology,…