Safety first (or, my new pencil holder)

This week I am gearing up to teach a couple of undergraduate chemistry labs, and have been hearing a lot about safety. This pencil holder, which I recently repurposed from a broken cassette tape deck adaptor, is a good reminder of what can happen to monsters who attack pencil-wielding prey if they do not first put on a pair of safety goggles. PPE is no joke people!

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