oh wow.. that's very interesting...
So I know airplanes coming from Asia to the US take longer than planes going from the US to Asia. Is this because winds, Coriolis, or both? :P
Thanks a lot guys.
Thank you shooting star. I wasn't aware that there were non-inertial forces, and that idea troubles me a little bit.
Say I am in a train which travels really fast. If I attach a pendulum to the train (I don't start to swing it) ... I will expect the string to fall at 90degrees with...
I guess this question is very easy, but after it occurred to me, it has been torturing me for quite a while.
I don't understand how the Coriolis effect and Foucault pendulum work. I thought everything inside the Earth was moving along with it (inertia).
If we are in a moving train, and...
Actually my doubt is related with what dicerandom said, his analogy of the box is better than the park thingy...:P
Thanks for the explanation, however, I'm afraid that I still don't have the picture clear, even if the Earth is 4D... a 3D tube... shouldn't it move thru the "box"...
I think this might be a very simple question, but I found no info on the net or in my chicken head...
I've read M Kaku and Hawkings, and they write about a lot of paradoxes if time travel was possible (killing your parents, rewriting history, etc etc)
I might be overlooking something, but...