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How has NASA helped improve our air and water?
science.howstuffworks.com/innovation/nasa-inventions/nasa-improve-air-and-water.htm
How has NASA helped improve our air and water? Visit HowStuffWorks to see how NASA has helped improve our air and water.
Who invented the elevator?
science.howstuffworks.com/innovation/inventions/who-invented-the-elevator.htm
Like so many other modern conveniences that we take for granted, the history of the elevator is more complicated than it may seem at first glance. Believe it or not, there's some controversy over who invented this commonplace contraption.
Chernobyl's Elephant's Foot Is a Toxic Mass of Corium
science.howstuffworks.com/chernobyl-elephants-foot.htm
The lava-like material that formed after the Chernobyl nuclear disaster is a deadly example of corium, a hazardous material created only after core meltdowns. Five minutes next to it can kill a human.
Understanding the Categories of Hurricanes
www.howstuffworks.com/define-hurricane-categories.htm
The categories of hurricanes are defined by wind speed and wind-caused building damage. The scale was created to communicate needs for post-storm resources.
Should You Ever Buy a Flood-damaged Car?
auto.howstuffworks.com/under-the-hood/salvage-used-junkyard-parts/flood-damaged-car.htm
Should you ever buy a flood-damaged car? Read about the risks in buying a flood-damaged car at HowStuffWorks Auto.
The Evolution of the Franklin Stove: From Invention to Modern Efficiency
science.howstuffworks.com/innovation/inventions/franklin-stove.htm
he Revolutionary Heating Invention That Changed America - Franklin Stove. Learn about the history, design, and benefits of this iconic stove.
How Air Brakes Work
auto.howstuffworks.com/auto-parts/brakes/brake-types/air-brake.htm
Air brakes aim to stop trucks, trains and buses from crashing. Learn why air brakes, not hydraulic brakes, slow these modes of transportation down.
Classic Airplanes
science.howstuffworks.com/transport/flight/classic/classic-airplanes.htm
Every one of these classic airplanes was the product of loving care of an intelligent design team doing the best work of their era. Learn how aviation evolved and find links to classic airplane profiles, from the early years through today's jet age.
How 3-in-1 Flashlights Work
home.howstuffworks.com/3-in-1-flashlights.htm
3-in-1 flashlights make blackouts and camping a lot more convenient. Visit HowStuffWorks to learn all about 3-in-1 flashlights.
How Automotive Metal Forming Works
auto.howstuffworks.com/under-the-hood/auto-manufacturing/automotive-metal-forming.htm
Automotive metal forming has improved greatly. Visit HowStuffWorks to learn all about automotive metal forming.