This is Amani. Amani wears glasses. Well... Amani has glasses. Mike thought that he'd help Amani see the board a bit better on our penultimate day of classes, by providing some opera glasses.
Hey, physics students (...that are preparing for the exam!), there's some very cool optics at play here:
Wikipedia away! The simpler
opera glasses are a good example of compound lens systems (one converging and one diverging.
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