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How Stereolithography Works: A 3D Printing Process
computer.howstuffworks.com/stereolith.htm
Stereolithography -- also known as 3D printing -- is an amazing technology that allows you to build 3D plastic prototypes almost as easily as you print something on a sheet of paper!
How Tower Cranes Work
science.howstuffworks.com/transport/engines-equipment/tower-crane.htm
Tower cranes rise 150 feet in the air and lift up to 19 tons. Plus, they actually build themselves! They're simply amazing. Learn how these structures accomplish such feats.
How Bad Is It if I Tow More Than My Truck's Towing Capacity?
auto.howstuffworks.com/auto-parts/towing/towing-capacity/information/truck-towing-capacity.htm
Truck towing capacity is the amount of weight your truck can sufficiently bear. Learn why ignoring the truck towing capacity will damage your pickup.
Did Genghis Khan Really Kill 1,748,000 People in One Hour?
history.howstuffworks.com/history-vs-myth/genghis-khan-murder.htm
Genghis Khan is said to have killed 1,748,000 people in one hour. But is that possible? If not, what really happened?
Exploring the "G" in Newton's Law of Universal Gravitation
science.howstuffworks.com/math-concepts/gravitational-constant.htm
Sir Isaac Newton's Law of Universal Gravitation helps put the laws of gravity into a mathematical formula. And the gravitational constant is the "G" in that formula.
Test Your Knowledge: Defensive Military Tactics
play.howstuffworks.com/quiz/defensive-military-tactics-quiz
In an armed conflict, sometimes your best course of action is to defend a stronghold instead of going on the offensive. How much do you know about defensive military tactics? Take this quiz to find out!
How to Keep Your Jack-o'-lantern From Rotting
people.howstuffworks.com/culture-traditions/holidays-halloween/pumpkin-rot-prevention.htm
Follow these tips to ensure your pumpkin carvings last to the end of the month so you don't have saggy jack-o'-lanterns on Halloween night.
What would it take to save every endangered species?
science.howstuffworks.com/environmental/conservation/issues/save-every-endangered-species.htm
To save every endangered species we would need an incredible amount of planning and money. Learn more about what it would take to save every endangered species.
Project Blue Beam: A Conspiracy Theory Straight out of 'Star Trek'
science.howstuffworks.com/science-vs-myth/project-blue-beam.htm
Conspiracy theories: love them or hate them, they aren't going anywhere soon. For a conspiracy theory to have real staying power, it needs both a compelling narrative, and an audience who is either unable or unwilling to practice healthy skepticism.
Climate Change Threatens the Moai of Easter Island
The statues of Easter Island have stood for over 800 years. See how climate change and rising seas are affecting them with HowStuffWorks.