There are always enthusiastic netizens who ask us, what does a condom look like under the image of a security camera? Will going through the security check really invade the privacy of the person b...
READ MOREBecause your pictures are important to you, many photography ask us if the X-ray damage the film how can I Protect the film from damage X-ray equipment used to inspect carry-on baggage uses a very...
READ MOREThe heart of an X-ray machine is an electrode pair — a cathode and an anode — that sits inside a glass vacuum tube. The cathode is a heated filament, like you might find in an older flu...
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