Calling all tech nerds! This hefty little book is big on awesomeness--including cutting-edge tech, cool science, stunning stats, and even a little silliness. In this electrifying addition to the Nerdlet book series, you'll glimpse incredible inventions of all kinds--from out-of-this-world robots and space suits to superspy gear to the humble microwave. (Yes. The microwave. Trust us--it's actually interesting!) You'll learn about groundbreaking inventions from history ... alongside science that's changing (and saving!) the world right now. Meet nerds who tinker with tech for a living. Visit technology travel destinations around the world. And dive into fun features that answer all your burning IT questions--like, when will hoverboards actually hover? And, what's the hold up on time travel? And so much more! With quippy fun facts, eye-catching photos, and fascinating deep dives, it doesn't take an Einstein to see why this little book is perfect for grade A tech nerds and total newbies alike. Not done nerding out? Check out these other books from National Geographic Kids: Nerd A to Z, Nerdlet: Animals, Ultimate Book of the Future, Everything Robotics ... and more!