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How Fire Tornadoes Work
science.howstuffworks.com/nature/natural-disasters/fire-tornado.htm
Inject heat, ash and fire into a spinning mass of air. Watch as a funnel of flames leaps from the ground, reaches for the heavens and then races forward to consume everything in its path. Is such a phenomenon possible?
How the First-Down Line Works
entertainment.howstuffworks.com/first-down-line.htm
The virtual first-down line that you see in many televised football games is something of a computer-generated miracle. Find out how this line gets 'painted on the field.
How Clothes Dryers Work
home.howstuffworks.com/dryer.htm
A dryer is actually a very simple device. In this article we'll take apart a clothes dryer and explore how each system works. We'll start by following the air through the machine, then see how the tumbler and fan turn, and finally look at the controls.
How Thermometers Work
home.howstuffworks.com/therm.htm
Thermometers are used in everything from medicine to cooking. Find out how thermometers gauge temperature and learn how to make your own!
How can a rabbit tell me if I'm pregnant?
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/conception/rabbit-pregnancy.htm
A rabbit pregnancy test involved injecting the animal with human urine and analyzing hormonal response. Learn how the rabbit pregnancy test works.
Will the U.S. be a desert in 50 years?
science.howstuffworks.com/nature/climate-weather/atmospheric/us-desert-50-years.htm
Will the U.S. be a desert in 50 years? Learn about the chances of the U.S. becoming a desert in the next 50 years.
What is grass banking?
science.howstuffworks.com/environmental/green-science/grassbanking.htm
Grass banking involves landowners leasing their plots to ranchers in exchange for conservation work. Learn more about grassbanking and where it's big.
How the Toyota A-BAT Hybrid Truck Works
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/abat.htm
Toyota's A-BAT hybrid truck is a compact truck with an electric motor and gasoline engine. Get details on the A-BAT design and production schedule.
Is it bad to cut your cuticles?
health.howstuffworks.com/skin-care/nail-care/cuticle/cut-cuticles.htm
Is it bad to cut your cuticles? Learn about the purpose of cuticles and whether or not it is bad to cut your cuticles.
How Trailer Bearings Work
auto.howstuffworks.com/auto-parts/towing/equipment/accessories/trailer-bearings.htm
Trailer bearings are an important component in towing. Learn about trailer bearings at HowStuffWorks.