Read on and you’ll know:
The lesson: If the optimist says the glass is half full, and the pessimist says the glass is half empty, the physicist ducks.
via Glass Half Empty.
Tag: Physics
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xkcd on Glass Half Empty
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Running the red light due the Doppler Effect
Q: How fast would you have to go in your car to run a red light claiming that it appeared green to you due to the Doppler Effect?
A: Around 1/6 the speed of light
A couple more interesting Physics questions in there. Wonder whether they’ve been featured in the engineering entrance exams.
via xkcd what if: Short Answer Section.
