‘Universal’ equation predicts how often bird, bat, insect wings beat
Almost all animals that fly through the air and many that swim through water have evolved to flap their wings (or fins) at a frequency given by a simple formula, three scientists at Roskilde University in Denmark have found. The formula relates the flapping frequency at which a winged entity bats its wings to hover…
Read More “‘Universal’ equation predicts how often bird, bat, insect wings beat” »