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How Helium Balloons Work

science.howstuffworks.com/helium.htm

Helium balloons tend to fascinate adults and children alike (and it's not just the Donald Duck voice thing, though that is a big draw). Learn all about helium and why it floats!

Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built

science.howstuffworks.com/tsar-bomba.htm

In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."

How Black Holes Work

science.howstuffworks.com/dictionary/astronomy-terms/black-hole.htm

A black hole occurs when a massive star dies -- its enormous mass implodes and becomes so heavy that it bends space. So how do astronomers detect something that they can't see?

Can You Pass This Math IQ Quiz?

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How much of your math skills have you retained since your school days? Are you still acute, or have you become obtuse? Find out now with our quiz!

How Elumens Vision Station Works

computer.howstuffworks.com/elumens.htm

The next generation in computer displays gives you a full 180-degree field of view. Learn how the Elumens display works!

If You Think Jupiter Orbits the Sun, You're Mistaken

science.howstuffworks.com/jupiter-orbit-sun-barycenter.htm

Technically Jupiter does not orbit the sun's center. Learn more about Jupiter orbiting the sun in this HowStuffWorks Now article.

Who Made Fanta? Was It Really the Nazis' Favorite Soda?

science.howstuffworks.com/innovation/edible-innovations/who-made-fanta.htm

You probably know about Fanta, the brand of orange soda that's almost guaranteed to be on shelves somewhere in a 10-mile (16-km) radius of where you live. But you might not know that the question of who made Fanta has a shockingly shady answer.

How do you convert engine torque to horsepower?

auto.howstuffworks.com/question622.htm

When you convert from engine torque to horsepower why is the number 5252 involved?

Do You Know the 35 Hardest Plurals in the English Language?

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Just add an "s" and a singular noun becomes a plural, right? Although for the most part, just adding an "s" holds true, but there are exceptions. Do you know them all?

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