About How It Works Book of Did You Know?Did you know that there’s a jetpack that can fly for 30 minutes and that the elements that make up our bodies were forged inside ancient stars? Find out the hows and whys for how vinyl records were made and why Oliver Cromwell melted the Crown Jewels. Featuring: Science & Environment - Discover the truth behind science's biggest wonders. Transport & Technology - Climb walls like Spider-Man and 3D print a car. Space - Explore the outer reaches of our universe. History - Step back in time and discover the past.
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