Bats emit high-pitched sounds to locate obstacles and prey as they fly Photo: CORBIS From The Telegraph:
Bats which have evolved to avoid having their echo signals blocked by interference could help scientists develop more efficient sonar and radar systems.
Bats emit high-pitched sounds to locate obstacles and prey as they fly, but when travelling in packs there is a risk the noises might overlap and interfere.
A similar problem arises when a bat chases a moth through thick foliage. Signals bouncing off the leaves can overlap and set up interference.
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