Early 1980s? God, I’m old!
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The warnings are still there in 2020, trust me!
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I never liked doing that!
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Well, at least you never forget how hydrochloric acid tastes when you suck a vacuum in a saturated solution. Those were the days...
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Still struggling not to make any bubbles especially when someone is watching
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It was still getting mentions in H&S briefings when I was an undergrad in the 90s!
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We’d just about graduated to these in the 1980s!
pic.twitter.com/4Yk0j8sCW5
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Precision...
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Of course it was standard practice. It is a skill acquired by training and practice, just like other hazardous actions like driving. I never had a pipetting accident, I just shoved P32 phosphate with a syringe, right through a leaf into my hand.
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Still got that same warning in the 2010s. (But my favorite warning of all times, and even tangentially relevant, was “don’t stick tweezers into the power outlets (it happened in the summer semester 1999)”...)
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