Electricity & Magnetism
How Batteries Work
From turning on a lamp in your home to running solar panels, batteries play a large role in our everyday lives.
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Surprising Sculptures with Magnetic Magic
Get creative and learn the basics of magnetism at the same time with this fun blend of art & science!
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Interview with Astronaut Don Pettit
We talk to Don about scary moments in space, immigrating to Mars, human spaceflight and more.
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Zombie Apocalypse Survival Gear: Ham Radios
The zombies are coming! Quick: What should you scavenge together for the impending attack?Baseball bat, check.First aid kit, check.Ham radio equipment? You better hope so.Earlier this week, Dragon Con — the annual sci-fi, fantasy and comic book conve..
Can a book inspire you as a child to grow up and solve one of the most famous mysteries of mathematics? Come take a peek inside Physics for Entertainment to find out. Originally published over seventy years ago in Russia, this classic book answers many fascinating questions that one might not even think are physics questions. “Can an invisible man see? Why are all cats grey when the candles are out?” The excerpt below explains the habits or our beloved drinking bird toy.