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Totally can sympathize with the title. Open a bottle of an ether with a loose cap that has had diethyl ether peroxides form on it's rim... you'll have a new outlook on the situation.

(Diethyl ether peroxide is a contact explosive)

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My intro inorganic-chem class had the best safety video, described as one "Dr Anxiety". Among other thing like a glass tube being into a stopper that ended with blood spraying everywhere, it had someone in a lab coat pick up a 1L reagent bottle off a shelf, eye it for a while, and say, "Hmm.. I haven't used this in a while, but I'm sure it's still good.". As soon as they turned the cap, it exploded into a giant fireball, complete with the lab guy running around on fire. Rewinding and pausing the video revealed that it was diethyl ether.

I kind of wish I could find a copy of that safety video....

This one? http://youtu.be/0zHev9iM8kU?t=20m26s

That's part of it, thanks! (the instructor might have pieced together footage from a few videos. The glass tube+stopper scene is definitely the one I was remembering)

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