“A man’s gift makes room for him and brings him before great men” (Proverbs 18:16) I have travelled to the beautiful island of Madagascar more times than I can remember. Sometimes a forgotten island by many nations, Madagascar has a population of around twenty million people, is rich in mineral resources, unique vegetation, and exciting…
Jean Henri Fabre, famed naturalist and explorer of the insect world, was born into a peasant family in France, raising ducklings to make some money. While tending the little birds in a nearby pond, he discovered other smaller creatures that dived, swam or wriggled – beetles, tadpoles, worms, mosquito larvae, newts and many insects. His…
In audio signal processing and acoustics, an echo is a reflection of sound that is heard by the listener with a delay after the original sound. The delay is directly proportional to the distance of the reflecting surface from the source and the listener. Well-known echo examples include those produced by the bottom of a…
