Peake's team joined researchers from Virginia Tech, Lehigh and Florida Atlantic to examine why owls can fly so silently. Peake said:
No other bird has this sort of intricate wing structure. Much of the noise caused by a wing – whether it’s attached to a bird, a plane, or a fan – originates at the trailing edge, where the air passing over the wing surface is turbulent. The structure of an owl’s wing serves to reduce the noise by smoothing the passage of the air as it passes over the wing – scattering the sound so their prey can’t hear them coming.
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Virus quarantines and shuttered restaurants sent millions of Americans back to their homes, only to rediscover the joys of firing up an oven and cooking something special for themselves. Whether by desire, necessity, or both, many of us have certainly been spending more time in the kitchen these last few months. And we haven’t just […]
Now that the world is starting to re-emerge from its self-imposed COVID-19 quarantine, we’re all going to have to start making some adjustments to both short-term and long-term changes. And the questions… Should customers be hounded out of a store if they aren’t wearing a face mask? Are crocheted face masks safe or not? And […]
Maybe you had a piano teacher as a kid that drove you off the instrument forever. Or maybe you always wished for some serious training, but never found the time. Whether you have dreams of tossing off a Beethoven or Chopin piece at the drop of a hat or you have visions of being the […]