If I turn the tip of a 100 light years long pencil, the other end instantly turns , or it takes 100 years?
14186
Is it possible for information to be transmitted faster than light by using a rigid pole?
35331
How can an object's instantaneous speed be zero and it's instantaneous acceleration be nonzero?
61714
Can One-Way Speed of Light be Instantaneous?
78074
How much faster would a Clock without gravity run?
63850
Why is the restoring force directly proportional to extension?
72953
How long does an object experience motionlessness at the beginning of its descent?
154914
What will I see if I travelled to a distant planet in 100 times faster than speed of light and look back?
39684
What would a closed timelike curve look like?
28577
Hole-and-nail paradox in special relativity
69753
Would it be possible for some to bend two elements?
137951
What changes occur while an atom approches the speed of light?
57773
About the speed of light and gravity
12267
(Almost) double light speed
17450
Doesn't the end of Looper create a time paradox?
75296
How long does a permanent magnet remain a magnet?
86328
What is the relative speed of two near-light speed particles headed towards each other?
32825
time offset in blender compositor?