Sean Michael Ragan is co-founder and editorial director of Foundry.net, a prominent blogger, and a former editor of MAKE: magazine. His freelance work has appeared in several books as well as Popular Science, ReadyMade, Chemical & Engineering News, and The Wall Street Journal. Popular Science is the world's largest science and technology magazine, with 6.1 million print readers and 10 million monthly page views on PopSci.com. The publication explores the intersection of science and everyday life, providing science and tech news along with tons of fascinating DIY projects for beginning tinkerers and pro builders alike. Founded in 1872, Popular Science is one of the oldest continuously published magazines in the United States, and is published in five languages and nine countries.