The Truth About Pumped Hydro This video was created in partnership with Bill Gates, inspired by his new book “How to Avoid a Climate Disaster.” Facebook Prev Article Next Article Engineering Checkout these cool gadgets... Related Posts Airplane Hangers Have a Cool Fire Suppression Systems 1773 Mechanical Devices Were Amazing This Skyscraper Has No Shadow A Clever Accessory Ensures You’ll Always Know When You’re Drilling Straight 19 Year Old Hopes to Revolutionize Nuclear Power Real Engineering – Why Build Higher?