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Can you make a rocket engine using hydrogen peroxide and silver?
science.howstuffworks.com/question159.htm
At a drag race, I once saw a rocket car that was supposedly powered by spraying hydrogen peroxide on a silver mesh. The resultant reaction produced huge amounts of pure white smoke and apparently enough thrust to propel the car rapidly down the track. Does hydrogen peroxide really react with silver that way?
Why do some dump trucks have extra moveable axles?
auto.howstuffworks.com/question26.htm
I see many dump trucks with wheels on two rear axles on the ground and a third axle with elevated wheels that can be lowered. These seem to be used when the truck is full -- but why include what must be expensive hardware to raise and lower the wheels? Why not just keep them down at all times?
Can You Finish the Lyrics to These Disney Movie Songs?
play.howstuffworks.com/quiz/can-you-finish-the-lyrics-these-disney-movie-songs-learn
Disney has the art of animated musicals down to a science. Their animated feature films are so successful that many often become equally successful Broadway Musicals or even live-action features. How well do you know your Disney music? Find out by completing this finish-the-lyrics quiz.
Grey vs. Gray: A Difference in Color or Just in Spelling?
people.howstuffworks.com/grey-vs-gray.htm
You may have noticed people sometimes interchange grey and gray, leading to confusion about which spelling is the correct one. But when it comes to using the word grey vs. gray, which one you choose comes down to your location and the specific person, place or thing you're referencing.
18 Scariest Horror Movies to Guarantee You Won't Sleep Tonight
entertainment.howstuffworks.com/scariest-horror-movies.htm
Some horror movies just make you squirm. Others make you check the locks. But the scariest horror movies? These are the ones that invade your dreams, hijack your pulse, and make you reconsider walking down that dark hallway. They're disturbing, intense, and engineered to make your brain scream.
Which Character From "That '70s Show" Are You Most Like?
play.howstuffworks.com/quiz/which-character-from-that-70s-show-are-you-most-like
Tell us what you'd be like if you were "hanging out down the street" from the Formans, and we'll let you know which character from "That '70s Show" you're most like. Fez or Kelso? Jackie or Donna? Which one will you be?
Can You Name the '90s Rap Song from a Lyric?
play.howstuffworks.com/quiz/can-you-name-the-90s-rap-song-a-lyric
Let's be honest - the '90s were the Golden Age of hip-hop and R&B. In this quiz, we're taking the beat down memory lane to see if you can name the hit hip-hop/R&B song from one lyric. Take this ultimate rap quiz and prove your cred!
River-bottom Bones: The Strange World of Underwater Fossil Hunting
science.howstuffworks.com/environmental/earth/geology/underwater-fossils.htm
Winding through the South Carolina low country, the Cooper River is a reed-lined haven for sportfish and shorebirds. The waterway originates in Berkeley County's Lake Moultrie. From there, it proceeds all the way down to Charleston, where it merges with the Ashley and the Wando to form that city's world-famous harbor. (Ever hear of Fort Sumter?)
Can You Identify These Cool Cars From the '90s?
play.howstuffworks.com/quiz/can-you-identify-these-cool-cars-from-the-90s
The names Honda Civic, Mazda 626 and Mazda MPV should send shivers down the spines of true cool '90s car lovers! We've got photos that'll appease your car senses. Prove your respect for the rounder designs that zoomed through the 1990s with this car quiz!
Which Dragon Reflects Your Soul?
play.howstuffworks.com/quiz/which-dragon-reflects-your-soul
Do your wings block the very sun? Can your fire melt the rock of a mountain? Are your scales hard like diamond and your claws sharp like razors? Are you a true dragon deep down in your very soul? Take flight into this quiz and find out which dragon resides inside.