Tuesday, June 23, 2009

Rats Give Engineers Technology

From Creation Moments.

A new revolutionary design in metal-cutting blades has been added to the metal-working industry. In use, the new blade is fixed in one position while the metal to be shaped spins on a lathe. This new blade stays sharp six times longer than the old blade design. When cutting titanium, the old-style cutting blades become dull almost the second they are used, but the new blades last up to 30 minutes. This wonderful new blade was developed by two engineers who got the original idea from a rat.

You see, rats' teeth always have a sharp edge. Engineers learned that this is because the teeth are hard on one side and soft on the other. So as they wear, they always keep a sharp edge. Applied to metal-cutting technology, this principle has lowered costs and increased productivity because cutting blades don't have to be changed as often.

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