How will other materials hold up under the grinder? Launch the gallery here to find out.

In the early 1900s, the element radium was so popular, it became a marketing term. Luminous watch hands used radioactive radium, but Radium-brand butter, fortunately, did not. Today, titanium is the new radium. Everything from credit cards to crowbars is advertised as having the strength of titanium. How many products actually do?