Submitted by WA Contents
Want The Light On? Not Without an A in Math
Architecture News - Nov 10, 2008 - 18:01 4681 views
A clever way to get someone to think twice about turning on the light is to require them to think before they’re even able to turn it on.
www.treehugger.com/files/2008/11/turn-on-light-with-math.php
www.treehugger.com/files/2008/11/turn-on-light-with-math.php