HAVE YOU EVER WONDERED HOW TRUBECHETS LAUNCHED MASSIVE BOULDERS THROUGH THE AIR, HOW POPCORN POPS, OR HOW JET PACKS SOAR?
From quick answers to in-depth explanations, we've got you covered. Discover amazing inventions from the past, out-of-this-world technology, geologic marvels, freaky food phenomena, and secrets from the silver screen. Dig into the fascinating science of HOW THINGS WORK. Includes: detailed diagrams and revealing photos, fascinating info and incredible facts, hands-on activities to get you involved, inspiring bios of engineers, inventors, and scientists, real-life stories of amazing inventions and unbelievable innovations.