A compact confocal terahertz microscope working at 0.30 THz based on all-solid-state components is used to locate buried thin metal foils in a painted wood artwork. Metal foils are used for decoration ...

Alright, so now this 2x6 that we put the brackets that go on the top of the door, will represent the door. I'll line it up with the bracket. Alright. Let's see how it slides.