Electricity & Magnetism
Elon Musk's newest venture seeks to unite machines and human minds.
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Hovering Snowflake Decorations
Decorate in style this holiday season with static electricity
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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.