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What is string theory?

science.howstuffworks.com/science-vs-myth/everyday-myths/string-theory.htm

String theory tries to bring relativity and quantum physics into one general theory of everything. Learn about string theory in this article.

Is humid air heavier than dry air?

science.howstuffworks.com/nature/climate-weather/atmospheric/is-humid-air-heavier-than-dry-air.htm

If humid air is just air plus water, then it has to be heavier than dry air, right? Sure, if it was only a matter of simple addition, but molecular physics is a lot like a bouncer at a club: Nothing gets in unless something else goes out.

How can I measure the drag on a car?

auto.howstuffworks.com/question497.htm

I have to think of a way of measuring how much drag is pushing on my mother's car as we are driving on the highway. Do you know how I can make one?

How Atoms Work

science.howstuffworks.com/atom.htm

Atoms are in your body, the chair you are sitting in, your desk and even in the air. Learn about the particles that make the universe possible.

Could You Dig a Tunnel Right Through the Center of Earth?

science.howstuffworks.com/environmental/earth/geophysics/question373.htm

Let's say you have a lunch date to make - and it's on the other side of the planet. Wouldn't it be convenient to pop down a hole through Earth's innards? But what would really happen if you did?

What % Physicist Are You?

play.howstuffworks.com/quiz/what--physicist-are-you

Prove that you know the language of the physical world. Does your understanding of natural phenomena start or stop at E=MC^2? Find out what it takes to think like the physics lords who came before us!

Understanding the Wavelength Formula and Its Applications

science.howstuffworks.com/math-concepts/wavelength-formula.htm

The wavelength formula is a fundamental concept in physics, particularly in the study of waves and electromagnetic radiation.

Does the shape of my face show that I have a genetic disorder?

science.howstuffworks.com/life/genetic/dysmorphology.htm

Dysmorphology is the study of physical characteristics to diagnose disorders. Learn about the theories behind the field of dysmorphology.

What Happened to Oppenheimer After World War II?

history.howstuffworks.com/historical-figures/what-happened-to-oppenheimer.htm

Oppenheimer's legacy is as complex as the quantum mechanics and theoretical physics that dominated his mind and shaped his life.

Convergent Evolution: When a Good Idea Moves Between Species

science.howstuffworks.com/life/evolution/convergent-evolution.htm

Organisms not related to each other can develop similar physical attributes without even exchanging notes.

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