Search Results | stone
Your search for "stone" returned 1,776 results
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
10 Things Done Completely Out of Spite
history.howstuffworks.com/historical-events/10-things-done-out-of-spite.htm
Spite is not just for kids with broken toys. Many adults have gone to unbelievable lengths to pay back someone who did 'em wrong. Here are 10 classic examples.
10 Most Deceptive PR Campaigns in History
money.howstuffworks.com/10-deceptive-pr-campaigns-in-history.htm
Diamonds are rare? Not really. They became an engagement ring staple, thanks to a clever, if deceptive, public relations campaign.
What's the difference between stalactites and stalagmites?
science.howstuffworks.com/environmental/earth/geology/stalactite-stalagmite.htm
Stalactites and stalagmites are two common cave features that are often mistaken for each other. Learn about stalactites and stalagmites.
How to Get Mud Out of Clothes
home.howstuffworks.com/how-to-remove-dirt-and-mud-stains.htm
Despite our best efforts, dirt and mud manage to get everywhere, especially on clothes. If you're eager to learn how to get mud out of clothes, follow these stain removal tips to make a clean getaway from the dirty work!
How to Remove Mustard Stains
home.howstuffworks.com/how-to-remove-mustard-stains.htm
Yellow is less than mellow when it's caused by a mustard stain. These stain removal techniques will help you fight unsightly turmeric laundry stains.
How to Remove Nicotine, Cigar, Pipe Smoke, and Cigarette Stains
home.howstuffworks.com/how-to-remove-nicotine-cigar-pipe-smoke-and-cigarette-stains.htm
Someone has accidentally swiped you with their cigarette and now you're facing an ugly stain. No need for smoke to come out of your ears. Follow these stain removal tips to erase nicotine stains.
How to Remove Hair, Lubricating, Mineral, Vegetable and Automotive Oil Stains
home.howstuffworks.com/how-to-remove-hair-lubricating-mineral-vegetable-and-automotive-stains.htm
Oil stains can sneak up on you and cause laundry stains when you least expect them. Follow these stain removal tips to erase the slick spots.
How to Repair a Deck
home.howstuffworks.com/home-improvement/repair/how-to-repair-a-deck.htm
A deck can be a great spot for peace and tranquility. Caring for a deck, though, can be a nightmare. Learn how to repair a deck.
What if we lived on the moon?
science.howstuffworks.com/what-if-moon-colony.htm
It's safe to assume there won't be a moon colony any time soon. But it's still a tantalizing thought. But wouldn't it be cool to be able to live, vacation and work on the moon?