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What is the gray goo nightmare?
science.howstuffworks.com/gray-goo.htm
Gray goo is a possible scenario if nanomachines get out of hand. See what gray goo is and all about a possible gray goo nightmare.
How did ancient civilizations use sundials to tell time?
electronics.howstuffworks.com/gadgets/clocks-watches/ancient-civilizations-use-sundials.htm
Ancient sundials first popped up in Egypt around 1500 B.C. Learn how these sundials came about and what they were used for all those centuries ago.
How Infrared Grills Work
home.howstuffworks.com/infrared-grill.htm
Infrared grilling introduces less hot air and more radiating heat to food than traditional grills. But are they really better? Stronger? Faster?
5 Ideas for Experiments on Conserving Energy
science.howstuffworks.com/environmental/conservation/5-experiments-conserving-energy.htm
About 70 percent of our energy comes from non-renewable sources like oil and natural gas. When they're gone, they're gone for good. Learn some simple ways to conserve energy through these five simple experiments.
How Kryptonite Works
entertainment.howstuffworks.com/arts/comic-books/kryptonite.htm
Learn all about the radioactive mineral known as kryptonite.
10 Most Destructive Storms
science.howstuffworks.com/nature/climate-weather/storms/most-destructive-storms.htm
Witch homicide aside, Dorothy was lucky that her home safely traveled to Oz after the tornado. Many people who lived through the storms on our list were left with nothing.
10 Fictional Spacecraft We Wish Were Real
science.howstuffworks.com/10-fictional-spacecraft-we-wish-were-real.htm
In honor of Douglas Adams and galactic hitchhikers everywhere, we submit this list of 10 spacecraft that we hopelessly pine for. Mindboggingly beautiful!
10 Evil Robots Bent on Destroying Humanity
science.howstuffworks.com/10-evil-robots.htm
"Hahaha ... we've come to destroy your world!" Or so it must read in the chapter of the "Evil Robot Handbook" on what to say when you first encounter humans. Here are 10 robots you really don't want to mess with.
What Are Moonmoons?
science.howstuffworks.com/what-are-moonmoons.htm
What are moonmoons? HowStuffWorks looks at the moons of moons.
What Is the Point of Daylight Saving Time?
science.howstuffworks.com/innovation/everyday-innovations/daylight-saving-time.htm
We humans aren't complete slaves to time. We've devised ways to pack an extra hour of sunshine into our day, thanks to daylight saving time. But who came up with this idea and why do so many people loathe it?