Q: Why do we need an International Dateline? Let me first answer a related question: Why couldn’t it be the same time, day of the week, and date everywhere in the world simultaneously? The answer to that question is that it COULD BE, but there would be complications. Now to see the truth of that…
How can a Foucault Pendulum behave the way it does?
The simple answer is that it can be because of a “free,” that is, relatively unrestricted attachment to the ceiling of the room it is in. I assume what is being asked in the question is the method by which a Foucault pendulum in a museum is seen to swing back and forth but, in…
Why don’t you see words flipped in a mirror?
Why don’t you see words flipped in a mirror? Why should the mirror care, whether it is left right or up down, you might want to ask. You are looking for visual things to happen the same sideways and up and down. Why not? Gravity, the pull towards the center of the earth, is what…