Quote:
Originally Posted by Dave S
I'm all in favor of being safe - and of not having my face cut to ribbons by shards of flying glass - but I suspect you may be overestimating the force of an implosion. Also not a very likely occurrence. I'm going to guess that although safety glass or lexan would be the best choice, nearly any old piece of glass would likely contain the debris from an implosion of a 10" tube. This would be a good project for "Mythbusters" (or an adventurous AK person who likes to blow stuff up) to test out!
--Dave
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Each implosion is a story of its own, sometimes all the glass will just be sucked into a heap inside the set but but sometimes it's ejected with extreme violence and in the worst case scenario the neck/electron gun assembly will be propelled towards the screen at very high speeds and if this happens you need something really tough to stop it.
Keep in mind that plain glass may be smashed by the implosion's shockwave even before the glass shards start to scatter outward
also, some early B/W CRTs are made of thin, weak glass and are prone to spontaneous implosion.