Author Archives: Max D.

Why does your coffee cool faster in the winter | Max Du

You are using the same cup, making the same amount of coffee out of the same coffee machine. Why does your coffee cool down faster than it does in the summer? Of course you’d say that is because winter is much colder, but shouldn’t coffee cool down at some constant rate? like maybe 4°F every minute or something?

getty_030315_coffee

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The world could always use more maths | Max Du

{\frac {\partial u}{\partial t}}-\alpha \nabla ^{2}u=0

Being the only freshman in a high-school Calculus class full of seniors was a wonderful experience. Not only did no one know or talk to me, but my ears were also filled up with complaints like “There will never be a chance for me to use ANY calculus in my life.”

I knew back then it was not the truth. Continue reading