DIY Backyard Roller Coaster

Backyard Amusement
So you had a Slip N’ SLide in your backyard as a kid? Maybe a trampoline? This guy laughs at you. He built a roller coaster in his.
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No!
Bad Ketchup Robot. You definitely deserve to be included in this list of 13 inventions we never needed.
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Heading In
The beloved Broadway musical Into the Woods is coming to the silver screen. Here are some stills of Meryl Streep, Anna Kendrick, and the rest of the cast.
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Take the Quiz
Which came first? The calculator or the watch? The Walkman or Atari? Take this quiz to see how well you know the timeline of tech innovations.
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Leaf the Breathing to This
This manmade leaf converts water and light into oxygen and may be the key to humans venturing into the vastness of space.
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All Aboard
I’m not sure how to describe these mini train sets mounted on everyday objects, but they are cool.
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Demand Down
Here are 10 common items that Americans have suddenly stopped buying.
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Beyond Human Abilities
These daredevil stunts pushed the boundaries of human limits.