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How Much Coal Is Required to Run a 100-watt Light Bulb 24 hours a Day for a Year?
science.howstuffworks.com/environmental/energy/question481.htm
Where electricity is produced from a coal fired power station, how much coal is required to run a 100-watt light bulb 24 hours a day for one year?
How do radio-controlled clocks set themselves to the atomic clock in Colorado?
electronics.howstuffworks.com/gadgets/clocks-watches/question461.htm
Many radio-controlled clocks automatically sync their time with the atomic clock in Boulder, Colorado. Learn about radio-controlled clocks.
Food Fun: Nutrition Quiz
play.howstuffworks.com/quiz/nutrition-quiz
With all of the choices available these days, how can you know what food is best for you? Test your knowledge with this nutrition quiz before you hit the grocery store.
What does the average family spend on clothing?
money.howstuffworks.com/personal-finance/budgeting/average-family-spend-on-clothing.htm
What does the average family spend on clothing? Learn what the average family spends on clothing at HowStuffWorks.
What Are Those Squiggles of Tar on the Road?
auto.howstuffworks.com/road-tar-squiggle-drizzle.htm
Those irregular black tar drizzles that seem to scar the surfaces of roads aren't the result of haphazard work by a paving crew.
5 Car Insurance Tips
auto.howstuffworks.com/buying-selling/cg-car-insurance-tips.htm
These 5 car insurance tips help you get the right coverage for your money. Read our list of 5 car insurance tips to make sure you choose wisely.
How Much Can You Save by Unplugging Appliances?
money.howstuffworks.com/personal-finance/budgeting/how-much-save-unplugging-appliances.htm
Unplugging appliances can save you money, but do you know how much? Learn how much can you save by unplugging appliances at HowStuffWorks.com.
5 New Gas Engine Technologies
auto.howstuffworks.com/5-new-gas-engine-technologies.htm
There have been some major improvements in gas engine technology over the years. Check out 5 new gas engine technologies at HowStuffWorks.
How to Play Slot Machines
entertainment.howstuffworks.com/how-to-play-slot-machines.htm
Slot machines have become the game of choice when it comes to casino gambling. Learn how to play slot machines.
How Artificial Geothermal Energy Works
Artificial geothermal energy is made by adding water to naturally hot rocks. Learn about artificial geothermal energy.