Wednesday, April 22, 2009

it's earth day soon, right?

free and interesting e-book: Sustainable Energy-- Without the Hot Air (David MacKay)
10 page synopsis
thanks to Alan Stein for link


ATH2044 said...

Wait a minute, didn't we just have an earth hour? What are going to do, have an earth week next year & an earth month after that? At this rate we'll soon be devoting spring summer & most of Autumn to this stupid planet!

phishcake5 said...

Thanks for the link A & E.