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Your search for "coal" returned 459 results
How Fly Ash Concrete Works
home.howstuffworks.com/home-improvement/construction/materials/fly-ash-concrete.htm
Fly ash concrete is considered a green building product. Learn about the benefits and potential hazards of fly ash concrete.
What is a tank engine, as in Thomas the Tank Engine?
science.howstuffworks.com/transport/engines-equipment/question275.htm
Thomas the Tank Engine is a merchandising phenomenon that includes small wooden train sets, video tapes, books, clothing, an official Web site and tons of fan sites. But wait, what exactly is a "tank engine" anyway?
Centralia, Pennsylvania: The Ghost Town Atop an Inferno
science.howstuffworks.com/nature/natural-disasters/centralia.htm
The fire under the tiny town of Centralia, Pennsylvania, has been burning since at least 1962 and, to this day, nobody knows how to put it out.
Is steel still the best material for building?
science.howstuffworks.com/engineering/structural/steel-best-material-for-building.htm
Steel is getting more expensive because the prices of iron and coal are rising. Are there alternatives to steel that can do the same job -- or better -- for less?
How Gasification Works
science.howstuffworks.com/environmental/green-tech/energy-production/gasification.htm
Gasification is the conversion of carbonaceous feedstock into synthetic gas. Learn all about gasification at HowStuffWorks.
What's the cheapest new energy alternative?
science.howstuffworks.com/environmental/energy/cheap-new-energy-alternative.htm
America, and really the entire world as a whole, runs on fossil fuels like gasoline and coal. But it's no secret that these resources can't last forever.
Food Temperature Questions
recipes.howstuffworks.com/tools-and-techniques/food-temperature-questions.htm
Food temperature is vital when cooking. Learn how to check the temperature of charcoal and find links to various food temperature resources.
What Are Mines?
science.howstuffworks.com/engineering/structural/underground-mining.htm
Underground mining has come a long way from the days of men with pickaxes and canaries. It relies much more heavily on machinery that makes it much safer than in the past. Which techniques are used in mining today?
5 Myths About Renewable Energy
science.howstuffworks.com/environmental/green-science/5-myths-renewable-energy.htm
We're currently suspended between two ages: a time dependent on fossil fuels and a future dominated by renewable energy sources. Yet not everyone is sold on this vision, so a number of myths about renewable energy persist.
How CO2 Scrubbing Works
science.howstuffworks.com/environmental/green-science/co2-scrubbing.htm
CO2 scrubbing is one potential solution to reducing our emissions of carbon dioxide. Learn about CO2 scrubbing and find out what the most common processes are.