Anemometer is the instrument we use to measure wind speed. Use the hole punch to make one hole in the side of four of the paper cups (all roughly in the same place) and four equally-spaced holes ...

Meteorologists all over the world use a wide variety of instruments to measure things like temperature, air pressure, humidity and a host of other variables.

This segment originally appeared in today's edition of the Morning Brief newsletter. Sign up here to get weekday updates from The Weather Channel and our meteorologists. An anemometer is a tool ...