Search Results | history of chemical engineering
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10 New Uses for Old Inventions
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You think you really know an invention until -- whammo -- someone comes up with a new use for it. Ointment that soothes tired cow teats and treats baldness? Who would have thought?
How Fuel Cells Work
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A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
How Patents Work
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Patents protect inventions and intellectual property from being copied. Learn about the uses of patents, the history of patents and about intellectual property law.
10 Eponymous Discoveries (and the People Who Made Them)
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Ah, the pride of leaving your name on a discovery as a lasting legacy of your time here on Earth. As the 10 discoveries on this list demonstrate, you probably won't get to revel in that pride while you're still alive.
How Makeup Works
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Is makeup one of your daily essentials? Learn more about the history and psychology of makeup at HowStuffWorks.
10 Hispanic Scientists You Should Know
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He built President Eisenhower an indoor golf-training machine, analyzed the Zapruder film and searched for an Egyptian pyramid's treasure chamber using cosmic rays. Aren't you dying to meet this wide-ranging scientist?
How Landfills Work
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What happens to all of that trash you put on the curb every week? It doesn't just disappear into a parallel universe. Much of it probably goes to the local landfill, and how it gets handled there is a very involved system.
10 Misconceptions About GMOs
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Are genetically modified organisms (GMOs) really bad for the environment and your health or just victims of bad publicity? We'll look at the pros and cons of this controversial subject.
How Flamethrowers Work
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When humans discovered fire, they learned to cook their food in a controlled environment. What came next? Flamethrowers, of course. What do flamethrowers have in common with their living counterpart -- fire breathers?
How Nitrous Oxide Works
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At the same time scientists discovered that nitrous oxide could numb agonizing pain, they also found it could make you really lightheaded and silly. Yes, huffing parties started in the 1700s.