Also,the inventors say the light-colored material better reflects sunlight, so buildings would cost less to cool.

VOA: special.2009.12.01

You are up high, so even in the summer the air usually is cool.

VOA: special.2009.07.20

"There is no pressure. I have gone through pressure up to this time, so I need a cool head.

VOA: standard.2009.10.15