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JRV 03-16-2005 08:07 PM

X-Ray Machines
 
this isn't a mac or pc question, it's more in general. what can pass through an x-ray machine without being damaged? laptops, types of media?

trpnmonkey41 03-16-2005 09:27 PM

Nowadays pretty much anything can go through except for things like pacemakers. Some x-rays have problems with film from cameras but nothing else is harmed

TTheInfamous1 03-16-2005 09:37 PM

You shouldn't have any problems at all with a laptop. Just becareful with film in a camera or a roll of film that has photos taken on it already. Also, computer disks can get damaged and like the previous poster said, pacemakers.

Other than that, nothing else.

Thud 03-16-2005 10:01 PM

Computer disks can NOT get damaged in an x-ray machine. X-ray machines do not generate a magnetic field. The disks are perfectly safe going through.

In fact, if you don't put the disks through the x-ray, you have to go through the metal detector, which CAN damage disks (because they do generate a magnetic field-- that's how they detect metal!)


Film is a bit trickier. Higher ISO films are more sensitive to light. Most airports will tell you that their x-ray machines are safe for ISO 1600 and below, but if they have to scan multiple times, the x-ray exposures add up on the film. Regular ISO 400 film from your vacation will be perfectly fine.

However, DO NOT KEEP FILM in the bags that you check. Checked baggage is scanned with much higher power x-rays than carry-on baggage.
Go here for more info, and examples of the damage that x-rays can do:
http://www.vad1.com/photo/x-ray-exper.html

So, in a nutshell, you need to worry about film more than computer disks.

TTheInfamous1 03-16-2005 11:07 PM

[QUOTE=Thud]Computer disks can NOT get damaged in an x-ray machine. X-ray machines do not generate a magnetic field. The disks are perfectly safe going through.

In fact, if you don't put the disks through the x-ray, you have to go through the metal detector, which CAN damage disks (because they do generate a magnetic field-- that's how they detect metal!)
QUOTE]

Maybe that's what I ment. I knew it was something of that nature.


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