Using a few materials from around the house, you can see the effect that saltwater rust will have on New York City's subway system after superstorm Sandy. Materials Instructions STEP 1: Fill each cup ...

If your bicycle chain is rusty, an easy way to get rid of surface rust is to pour lime juice on a piece of steel wool and scrub the rusty areas. The citric acid in the juice will react with the iron ...

Steel wool is an effective tool for cleaning, sanding, and removing rust, but there are some materials you should never use it on. Steel wool is essentially a clump of thin steel wire strands that are ...