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Re: [Phys-l] Microwave door. Was: Re: About the "why" and "how" questions.



When I examined the splinters, they were all sharp and crisp, which is
characteristic of broken glass. I think it is unlikely that plastic would (if at
all) produce such splinters. By all evidence, it looks like there were no
plastic layers in that window. If there were, they would probably absorb all
possible stresses due to sufficient plasticity (forgive the tautology) and
remain intact, in which case there would be no holes in the window.
Air rifle is 100% excluded.

Moses Fayngold,
NJIT



________________________________
Bernard Cleyet wrote on Sat, December 25, 2010 8:32:34 PM:

Doors curious. We have four three are double plastic no stress built up
there. The fourth and newest has a glass front and plastic rear w/ the mesh.
Any one about w/ an air rifle?