我在实验室带本科生的仪器分析课,有个反复出现的现象:每次课前我自己预演实验,总是顺风顺水——基线平稳、峰形漂亮、数据完美。但一到正式课堂,当着三十个学生的面,仪器就开始闹脾气:基线漂移、气泡卡管、信号饱和。…
在实验室里带新人做 conference presentation,我反复教一个反直觉的技法:不要排练你熟练的部分,只排练你最怕搞砸的那个环节——而且要故意让它失败。…
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