Alice and Bob
You are ignoring the time that takes for light to travel to the camera, which is probably not negligible, given the time dilation
hint in the problem statement. ;-)Posts highly enjoyed reading today(*) on planet:Nokia 770 - Romance in your pocket
by ChipX86$100 Laptop / OLPC (One Laptop Per Child)
by Jim Gettys
Would like to name Rodrigo's DSL Problems
too, but that probably has not been much of a joy for him. I mean, hours without internet.
Time to answer Questions to answer
(*) Since last time I woke up.