Search Results | history of science and technology

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How Deep Impact Works

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How do scientists find details about the early days of our solar system? One way is to investigate comets. Find out how the Deep Impact spacecraft fired an impactor into Comet Tempel 1 to get some answers.

How the Space Launch System Will Work

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Have you met the driving force behind the U.S. space program for the foreseeable future? Take a second to get acquainted with the proposed blasting behemoth.

What would it take to reverse global warming?

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To reverse global warming we would have to start by reducing our carbon emissions. Learn more about what it would take to reverse global warming.

How Laser Communication Works

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When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.

15 'Easiest' College Majors to Avoid Constant All-nighters

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Some college majors demand late nights, complex equations and lab reports that never end. Others? Not so much.

How Batteries Work

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Batteries power the appliances you use daily. Check out battery experiments, the history of batteries, battery reactions and the chemistry behind battery power.

What are supercomputers currently used for?

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Supercomputers are the whiz kids of the computing world - they're the fastest, most powerful machines around. Find out what supercomputers are used for.

10 Women Who Broke New Ground in Engineering

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One of the most travelled stretches of U.S. highway was designed by a woman who loved mathematics and wasn't interested in being a teacher. Who was she, and where is it?

Did people in the past really only live to be 30?

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Back in the day people generally didn't live past the age of 30, or so we've been told. Learn the truth about our ancestors at HowStuffWorks.

24 U.S. Landmarks That Every Americana Fan Must See

history.howstuffworks.com/american-history/us-landmarks.htm

Ever wondered why certain places in the U.S. get all the postcards and bucket list glory? They're often U.S. landmarks that pack a punch with history, culture and awe-inspiring views. These aren't just photo ops; they're vivid chapters in the story of American history, woven into the landscape from sea to shining sea.

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