1 sec pass for the person rode on light
4645
What is time dilation really?
85576
Calculating the probability of seeing a shooting star within half an hour if we know it for one hour
97336
Problem: Two Trains and a Fly
13817
reflection at speed of light when both mirror and viewer is travelling at the speed of light
58818
"There is a car on/in the street"
105171
Does time pass fastest in isolated, resting space?
60046
Gate to allow only one player to pass through
111391
How can I make A* finish faster when the destination is impassable?
60363
Photoelectric effect in a a frequency range
154584
A while ago and a few minutes ago
139947
Tired light red shift hypothesis
23382
Need single-shot 1 minute delay-off LED circuit
68024
The final state of 1000 light bulbs switched on/off by 1000 people passing by
12267
(Almost) double light speed
104811
Green light on red article
107282
The moving capacitor
32242
A spinning bullet