Farnam Street helps you make better decisions, innovate, and avoid stupidity.

With over 350,000 monthly readers and more than 88,000 subscribers to our popular weekly digest, we've become an online intellectual hub.

How Many Light Bulbs?

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 twitteremail, or RSS.

Date:
Filed Under: