I work with old computer monitors. I build pallets and sometimes they fall off and you can hear a hissing noise. Is there some type of gas inside them. Is there anything dangerous about this gas? What is the gas used for? Basically would someone tell me everything about it?
After the first answer I feel I must add:
I HEAR THE HISSING NOISE WHEN IT FALLS DOWN ON THE GROUND AND THE SCREEN BREAKS.
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4 responses so far ↓
1 entropic v // Sep 24, 2008
The old cathode ray tube (CRT) monitors have a vacuum. The hiss you hear is gas getting in.
2 Nawa EXT // Sep 24, 2008
No Computer monitors don’t have gas inside them. If it did it might already have blown on your face.
3 Jamie W // Sep 24, 2008
CRTS do not have any gas in them. They do have a vacuum tube, and if that breaks it might cause a hissing sound. The screen itself has no gas or vacuum. You can read all about them here http://en.wikipedia.org/wiki/Cathode_ray_tube
4 ebox1349 // Sep 24, 2008
I assume you are talking about the older style big monitors rather than the newer LCD or TFT flat Screens.
These have something called a Cathode Ray tube or CRT for short. The CRT is a vacuum tube, meaning there is no air in it, in fact the opposite, there is air removed from it and replaced with nothing. When the screen breaks the hissing will be the air rushing in through the cracks not gas escaping out.
You need to be careful with CRT’s, if one smashes in just the right way they can implode rather than explode, this sucks all the glass in toward the centre where it meets the glass rushing in from the other side and can then bounce off each other to shoot these glass pieces out again.
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