TAMPA, Fla. — A weather vane is an instrument used to show the direction the wind is blowing from. It is one of the simplest weather instruments created and it has been used since ancient times. The ...

Have you ever wondered how an electronic wind vane translates a direction into a unique signal? It seems as though it might be very complicated, and indeed some of them are. [martinm] over at ...

When William Penn and two of his business partners commissioned a weather vane to top their grist mill near Philadelphia, it told them which way the wind was blowing. The vane also was a sign for the ...