How Many Light Bulbs?
Average Reading Time: less than a minute.
David MacKay—the bloke in the excellent video below—is the author of Sustainable Energy.
Bill Gates called MacKay’s book “one of the best books on energy that has been written“*. The book is available for free online or in hard copy via Amazon.
Farnam Street: Mastering the best of what other people have figured out. Subscribe via twitter, email, or RSS.
