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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?
How can I make my own battery to win a contest at school?
science.howstuffworks.com/question2.htm
I am entering a chemistry contest at my high school. The goal is to build the battery that produces the most watts for one minute. Our battery can't be bigger then 1 foot in any direction and can't use strong acids. What are the best chemicals to use, and what's the best design?
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?
Penance: More Than an Apology in Christian Faith
people.howstuffworks.com/penance.htm
Today, we’re talking about penance, one of the most meaningful practices in Christian faith. Whether in the Catholic Church, the Eastern Orthodox Church or other Christian traditions, penance plays a crucial role in spiritual life. It's not just about saying "I'm sorry"; it's about real transformation and a return to God's grace.
How can an egg carton claim that the contained eggs have less fat and more vitamin E?
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/question304.htm
I recently bought a carton of eggs that claimed, "These eggs are high in Vitamin E, contain 100 mg of Omega 3, and have 25% less saturated fat than regular eggs." How can you get chickens to lay these special eggs? And how can you tell which eggs have these properties without cracking them open?
10 Cult Classic Movies That Bombed at the Box Office
entertainment.howstuffworks.com/10-cult-classic-movies-that-bombed-at-the-box-office.htm
Many modern cult classic movies have earned a ton of money on home video, from both VHS and DVD sales or home rentals (remember those?). Some have become cultural institutions in and of themselves. However, most of these movies with devoted fan bases actually came from humble beginnings and bombed at the box office on [...] The post 10 Cult Classic Movies That Bombed at the Box Office appeared first on Goliath.
13 "Revolutionary" Cell Phones That Failed Miserably
electronics.howstuffworks.com/13-revolutionary-cell-phones-that-failed-miserably.htm
The world of cellphones is a hugely competitive business. Numerous companies have jockeyed for market share over the years, both before and after the likes of Apple and Samsung took over as the two most dominant companies. And while the iPhone and Galaxy brands are generally considered the premiere mobile devices of today, there have [...] The post 13 "Revolutionary" Cell Phones That Failed Miserably appeared first on Goliath.
Unix vs. Linux: Understanding the Core Differences and Similarities
computer.howstuffworks.com/question246.htm
Linux is as much a phenomenon as it is an operating system. To understand why Linux has become so popular, it is helpful to know a little bit about its history.
The Most Underrated Classic Rock Bands Of All Time
entertainment.howstuffworks.com/the-15-most-underrated-classic-rock-bands.htm
When one hears the label "classic rock," bands such as The Beatles, The Who, and Led Zeppelin instantly spring to mind, but the term applies to a broad range of musicians and bands from the early '60s to the early-to-mid '80s. Bands such as the ones I just mentioned have become synonymous with the era's [...] The post The Most Underrated Classic Rock Bands Of All Time appeared first on Goliath.
1969 Ford Mustang Grande & Mach 1
auto.howstuffworks.com/1969-ford-mustang-grande-mach-1.htm
The 1969 Ford Mustang Mach 1 was a wild newcomer ranked 'toughest one yet' by Motor Trend. Learn more about the 1969 Ford Mustang Mach 1.