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What if I threw a penny off the Empire State Building?
You may have heard the tale of a person who throws a penny from the Empire State Building and kills a pedestrian below. Does this story have any truth to it?
What if an astronaut went on a space walk without wearing a space suit?
science.howstuffworks.com/suitless-space-walk.htm
Because an Earth-like environment is created within a spacesuit, it allows you to walk around in space in relative safety. But outer space is an extremely hostile place and could kill you if you aren't protected.
What if I put diesel fuel in an automobile that required unleaded fuel only?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/diesel-in-unleaded.htm
Diesel fuel in an unleaded engine wouldn't work because the diesel fuel won't burn in an unleaded fuel engine. Learn about diesel fuel.
What if the U.S. put all its trash in one giant landfill?
science.howstuffworks.com/environmental/green-science/one-giant-landfill.htm
One giant landfill for all the trash in the entire United States would have to be massive. Learn about using one giant landfill for the United States.
What Is FUTA and How Does It Work?
money.howstuffworks.com/personal-finance/personal-income-taxes/futa.htm
FUTA, the Federal Unemployment Tax Act, was written into law in 1939 in response to the Great Depression and still has great relevance today.
Sandspurs: The Spiky Scourge of Feet and Lawns
home.howstuffworks.com/sandspurs.htm
Sandspurs are one of the most unpleasant weeds out there - if you've tangled with them, you won't soon forget it.
What's the Difference Between a Castle and a Palace?
science.howstuffworks.com/engineering/architecture/castle-palace-difference.htm
Castles and palaces may seem the same, in their grandiose architecture and palatial structure. But the two buildings were constructed by monarchs for different purposes.
What Is Biodiesel?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/biodiesel.htm
Biodiesel turns biodegradable fats and oils into an alternative fuel for your car. Learn about biodiesel components, biofuel history and biodiesel pros and cons.
What Is Resonance?
science.howstuffworks.com/resonance-info.htm
An object free to vibrate tends to do so at a specific rate called the object's natural, or resonant, frequency.
What's the Deal With Bubblegum Flavor?
recipes.howstuffworks.com/does-bubblegum-flavor-represent-something-the-natural-world.htm
Forget those breath-freshening flavors; bubblegum-flavored gum is where it's at. HowStuffWorks investigates where the famous flavor came from.