Questa volta abbiamo cercato una curiosità scientifica:
Let's say we point a very powerful flashlight at the moon, and at both sides of the moon is an observer, and both observers see the light from earth. If we then shut off the flashlight from earth, both observers should see the light turn off at the same time (not factoring the curvature of the moon). This way, both observers know that the light must be off for the other observer as well – faster than light could travel between the observers. How does this not break the law?
Ed ecco le risposte degli esperti: