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User Name Thread Name Subject Posted
GUEST,Dave BS: GUEST: Dave (97* d) RE: BS: GUEST: Dave 28 Jan 16


X-ray photons have higher energy than visible photons, so can go through things that visible photons can't, like flesh. But you need a detector on the other side to detect them, such as a photographic emulsion or Charge Coupled Device. I wouldn't think they could easily go through a brick wall though. A plasterboard wall, maybe.


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