Physicists have created a mechanical bird song-replicating device, in an effort to understand the physics of birds' vocal tracts (Photo: Peripitus)
Zebra finches, beware! That tweeting noise you’re responding to might not be coming from another finch at all, but from a rubber tube-based bird-call-imitating device. The gizmo was devised by a team of physicists at Harvard University in an effort to understand the physics of bird song.
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