Search Results | earth science
Your search for "earth science" returned 1,281 results
Why Do Some People Believe the Moon Landings Were a Hoax?
science.howstuffworks.com/moon-landing-hoax.htm
The moon landings were all part of a highly elaborate hoax, according to some conspiracy theorists. Learn about the moon landings and hoax theories.
Astral Projection: An Intentional Out-of-body Experience
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/astral-projection.htm
Would you like to be able to leave your body at will and travel to other countries and planets? Astral projection promises you can do that. But what does science say about this?
What's the Difference Between a Nautical Mile and a Mile?
science.howstuffworks.com/innovation/science-questions/question79.htm
What is a nautical mile, and how does it differ from a normal mile and a kilometer?
Top 10 Green Heating and Cooling Technologies
Compared to standard heating and air systems, going green is better for the environment -- and your wallet because they use less energy. So what kind of green HVAC systems are on the market today? Read on to find out.
Polaris Star: How to Spot the North Star in the Night Sky
science.howstuffworks.com/north-star.htm
Polaris, also known as the North Star, is almost exactly over the celestial North Pole, making it extremely useful for navigation (and for making wishes on, as well).
How Astrolabes Work
electronics.howstuffworks.com/gadgets/clocks-watches/astrolabe.htm
Astrolabes are exquisitely crafted instruments that have hundreds of uses. Isn't it time you learned how to use this handy decoder of the sky?
How Electric Aircraft Work
science.howstuffworks.com/environmental/green-tech/sustainable/electric-aircraft.htm
Electric aircraft are explained in this article. Learn about electric aircraft.
What Is the Moon Made Of? Kaleidoscopic Map Sheds Light
science.howstuffworks.com/geologic-moon-map.htm
You're not the first person to ask, "What is the moon made of?" Scientists spent decades creating the Unified Geologic Map of the Moon to answer this and more.
How Impression Evidence Works
science.howstuffworks.com/impression-evidence.htm
Impression evidence is an important and sometimes overlooked aspect of the criminal investigation process. Find out about impression evidence here.
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?