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How many balloons would it take to life someone off the ground?

Balloons are often filled with helium, which has a lifting force of one gram per meter. It's possible to assemble enough balloons to lift yourself fro... Read more

August 21, 2015 | 1 min

What's the difference between LPG or natural gas?

Since liquefied petroleum gas and natural gas have very different properties, it's always important to specify which substance you will use when buyin... Read more

August 19, 2015 | 2 min

How can you figure out how far away lightning struck?

Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation.

August 17, 2015 | 1 min

How do bake and broil settings differ?

Kitchen ovens typically have two settings: bake and broil. What's the difference between the two? Explore the science behind baking and broiling in th... Read more

August 14, 2015 | 3 min

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