Search Results | coal
Your search for "coal" returned 459 results
Why does smoke come from a fire?
science.howstuffworks.com/environmental/energy/question43.htm
Let's say you have a nice fire going, and it's reduced down to a pit of hot "glowing embers." If you now toss a piece of wood, or even a sheet of paper, onto this fire, you see a huge puff of smoke as it heats up.
5 Medicines that Cause Sun Sensitivity
Medicines that cause sun sensitivity can increase the chance of sun damage. Learn about 5 medicines that cause sun sensitivity.
If You Can't Stand the Heat: Cooking Quiz
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You may be a whiz in the kitchen, but just how well-versed are you when it comes to the art of cooking? Test your culinary prowess with this cooking quiz.
How Solar Battery Chargers Work
electronics.howstuffworks.com/gadgets/travel/solar-battery-chargers.htm
Solar battery chargers are popular automotive gadgets. Learn more about solar battery chargers at HowStuffWorks.
How Horsepower Works
auto.howstuffworks.com/horsepower.htm
Horsepower rates the engine performance of cars and even lawn mowers. Learn what horsepower means, how it is measured and how it works in high-performance cars.
10 Boom Towns that Went Bust
money.howstuffworks.com/10-boom-towns-that-went-bust.htm
Some towns boom but eventually bust economically. Learn about 10 boom towns that went bust at HowStuffWorks.
10 High-paying Dirty Jobs
money.howstuffworks.com/10-high-paying-dirty-job.htm
Curious about high paying dirty jobs? Read our list of the top 10 high paying dirty jobs and find out about these dirty and often risky occupations.
What human activities increase carbon dioxide in the atmosphere?
science.howstuffworks.com/environmental/green-science/human-activities-increase-carbon-dioxide.htm
Although a certain amount of carbon dioxide (CO2) occurs naturally in the Earth's atmosphere, there are several human activities that increase levels of the greenhouse gas.
What is the energy source of the future?
science.howstuffworks.com/environmental/energy/energy-source-future.htm
What is the energy source of the future? Learn more about the energy source of the future in this article.
How Nuclear Power Works
science.howstuffworks.com/nuclear-power.htm
On the one hand, nuclear power offers a clean energy alternative that decreases fossil fuel dependence. On the other, it summons images of quake-ruptured Japanese power plants leaking radioactive water. What happens in reactors in good times and bad?