Popular Mechanics Gadget Planet: 150 Gizmos & Inventions that Changed the World - Hardcover

These gadgets changed the world! In 2011, Popular Mechanics gathered a panel of experts, including esteemed inventors, designers, tech gurus, even a moonwalking astronaut, to create a definitive list of 101 gadgets that changed the course of history. The feature was so popular that it became a History Channel TV special and a PM iPad app. Now, the magazine's editors have finally expanded and updated that list, adding 49 new entries. Ranging from the microscope, bicycle and transistor radio to the hearing aid, electric guitar and Roomba, this compilation is sure to fuel debates, especially when it comes to the 10 top choices. (Spoiler alert: The smartphone clocks in at No. 1!).

Popular Mechanics inspires, instructs, and influences nine million curious minds that read the magazine every month. The magazine features breakthroughs in the latest innovations in science and technology.