Paint Thickness Tester Won't Determine the IQ of Your Walls

A handy little gadget for those of you who prefer to buy second-hand cars rather than brand spanking new models that smell of plastic, Westfalia's paint-thickness tester will let you know if the vehicle has had a paint job—which can often mean it's been involved in a crash somewhere down the line. Here's how it works: » 4/22/08 8:30am 4/22/08 8:30am