Explanation: Wind vanes are used to measure wind direction. The vane points into the wind. For a more accurate reading, make arrow smaller than video shows (wanted it to be easily seen)!
Some of our readers might remember the Vaavud smartphone wind meter that launched over on the Kickstarter website back in April 2013. Now Vaavud is back with a new version that is cable of recording ...
Wind is the invisible force we feel on our faces, see rustling through trees, and hear whistling around buildings. But what exactly is wind, and why does it behave the way it does? At its core, wind ...