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Ask the right questions: how to know what you don't know you don't know
Have an assignment due tomorrow, and have no idea where to even start? In office hours or class and so lost that you don't even know what your question is? No matter the context of your confusion, you're not alone!
It’s the end of term, and your grade comes down to just one score: the final exam. On top of that, you’ve got a whole term’s worth of material to review! Fret not — we’ve all been there. Here’s how to make the best of it!
What is a Fermi approximation? The only thing that physicists like more than dimensional analysis is a good order of magnitude estimation, also known as a Fermi problem or Fermi approximation. A classic is the piano tuner problem: “How many piano tuners are in the city of Chicago?”