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Your search for "telescope" returned 226 results
What device did Douglas Engelbart invent?
science.howstuffworks.com/innovation/big-thinkers/douglas-engelbart-invention.htm
If this were trivia night, your team could probably summon this answer without breaking a sweat. But in true polymath style, Engelbart's signature invention is only part of his computer genius. Meet him.
How the Antikythera Mechanism Worked
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Could an ancient, shoebox-size geared device change the way we think about technology's history?
How Astronauts Work
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Astronauts are adventurers and scientists who work in space. Learn who astronauts are and what they do in space and on Earth.
How Crossbows Work
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The crossbow, a weapon popular with Wookiees, vampire slayers and some modern hunters, looks like a cross between a bow and a rifle. Learn how it was invented.
How the Sun Works
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The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. Learn about the sun.
How the Mars Rovers Work
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Of course we want to go to Mars. Until we figure it out though, roving robots with names like Spirit, Opportunity, Sojourner and Curiosity are our best bet for digging up dirt on our nearest planetary neighbor. Want to go along for the ride?
Earth: A Primer on the Third Rock From the Sun
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Earth is an enormous and extremely complex planet. Learn about the inner workings of the planet Earth and find out what forces are constantly at work on Earth.
10 Scientific Laws and Theories You Really Should Know
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Even if you don't operate a scanning electron microscope all that frequently, you might want to brush up on these 10 scientific laws and theories. After all, they're some of our best tools for describing how the universe works.
10 Cool Things You Didn't Know About Stephen Hawking
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He was born exactly 300 years after Galileo died. He never won a Nobel Prize, although he was awarded a guest spot on "The Simpsons." What else do you know (or not know) about this acclaimed physicist?
Exploring the Outer Planets of the Solar System
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Explore the mysteries of the outer planets: Jupiter, Saturn, Uranus, and Neptune. Dive deep into their atmospheres, moons, and unique phenomena.