Simon walks you through several special relativity paradoxes and a brief proof of why nothing can move faster than light. He shows the working out of the distance formula.
Based on the following video tutorials by Sixty Symbols:
Time Dilation:
https://www.youtube.com/watch?v=jlJNsRZ4WxI
Relativity Paradox:
https://www.youtube.com/watch?v=kGsbBw1I0Rg&t=17s
Why does time go slower in rockets?:
https://www.youtube.com/watch?v=Cxqjyl74iu4
Why you can’t go faster than light (with equations):
https://www.youtube.com/watch?v=DGpwkWhnWAI&t=574s
Geeks out of the box 