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Does time change speed?
science.howstuffworks.com/science-vs-myth/everyday-myths/time-dilation.htm
Time dilation is the reason why boring things seem to take so long but time flies when you're having fun. Learn how time dilation affects the speed of time.
How Space Camp Works
science.howstuffworks.com/space-camp.htm
Space Camp is for kids and adults to learn about flight, engineering, astronomy and robotics. Learn about Space Camp and its programs and simulators.
How Stars Work
science.howstuffworks.com/star.htm
When you look up at night and see thousands of stars, have you ever wondered what you are looking at? Learn what stars are and how they live and die!
10 'Star Trek' Technologies That Actually Came True
entertainment.howstuffworks.com/10-star-trek-technologies.htm
Some 'Star Trek' tech actually came into existence. Take a look at this list of the top 10 'Star Trek' technologies that you can use in real life.
Which of today's animals lived alongside dinosaurs?
science.howstuffworks.com/environmental/earth/geology/dinosaur-contemporary.htm
Which of today's animals lived alongside dinosaurs? Some animals' ancestors lived with dinosaurs. Learn which current animals lived alongside dinosaurs.
What Causes Thunderstorms?
science.howstuffworks.com/nature/climate-weather/storms/question646.htm
Thuderstorms occur more in the summer than any other month. Find out why thunderstorms occur more frequently in the summer.
How Sand Dunes Work
science.howstuffworks.com/environmental/earth/geology/sand-dune.htm
Sand dunes are more intriguing than you might think. For one, some sand dunes sing. What other interesting facts can you learn about sand dunes?
How Artificial Geothermal Energy Works
Artificial geothermal energy is made by adding water to naturally hot rocks. Learn about artificial geothermal energy.
How GPS Watches Work
electronics.howstuffworks.com/gadgets/clocks-watches/gps-watch.htm
A GPS watch links to a net of synchronized computers orbiting Earth to provide you with highly accurate data. Learn what you can do with a GPS watch.
Why do you have two lungs but only one heart?
health.howstuffworks.com/human-body/systems/circulatory/two-lungs-one-heart.htm
The two lungs-one heart system evolved because that was all we needed to survive. Learn more about the evolution of the two lungs-one heart system.