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5 Products for Better Fuel Economy
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/5-products-better-fuel-economy.htm
Is it possible to improve your fuel efficiency? Keep reading to discover 5 Products for Better Fuel Economy.
How Central Vacuum Systems Work
home.howstuffworks.com/central-vacuum.htm
When the floor needs a good cleaning, most of us reach for the portable vacuum cleaner and drag it around the house. Well, what if your whole house were a vacuum? Find out how central vacuum systems work.
What Does a Catalytic Converter Do and Why Do People Steal Them?
auto.howstuffworks.com/catalytic-converter.htm
Catalytic converters are one of the most important parts of a car's emissions control system. Learn about catalytic converters and catalytic converter laws.
How the MQ-9 Reaper Works
science.howstuffworks.com/reaper.htm
Early unmanned aerial vehicles (UAVs) primarily carried out reconnaissance missions in war zones, but the Reaper packs some serious heat. Is there anything more foreboding than a drone with a Hellfire missile?
Top 7 Ways to Improve the Energy Efficiency of Your Garage
home.howstuffworks.com/home-improvement/heating-and-cooling/improve-energy-efficiency-garage.htm
Your garage is probably the most inefficient room of your house, but it doesn't have to be that way! Learn more about the top 7 ways to improve the energy efficiency of your garage.
How do ducks float?
animals.howstuffworks.com/birds/duck-float.htm
To understand why ducks float, you have to know a little about buoyancy, but that's not the sole principle at work. Learn why else ducks float.
Can humans hear in space?
science.howstuffworks.com/humans-hear-in-space.htm
To hear in space involves several variables, including sound movement and environmental medium. Learn if humans hear in space.
10 Unsolved Airplane Mysteries
science.howstuffworks.com/transport/flight/modern/10-unsolved-airplane-mysteries.htm
Since 1948, more than 100 aircraft have gone missing while aloft and never been found. Here are 10 unsolved airline mysteries from HowStuffWorks.
Why is there a bulge in the exhaust pipe of my dirt bike?
auto.howstuffworks.com/question636.htm
I have a dirt bike, and the exhaust pipe has this big bulge in it near the engine. What is the bulge for?
What Is a Sonic Boom? Unraveling the Thunderous Phenomenon
science.howstuffworks.com/question73.htm
What causes a sonic boom? It has to do with sound waves, the speed of sound, and how fast a plane is flying.