Rule of Thumb

BODY HEAT

A resting human gives off as much heat as a 150-watt light bulb. You can use this fact to keep ...

A resting human gives off as much heat as a 150-watt light bulb. You can use this fact to keep the temperature in a greenhouse constant, even as you come and go. Just turn the light out whenever you go in. — John Schubert, senior editor, Bicycling magazine

02/27/15

© 2022