The Portal Paradox
4:57
Another Portal Paradox
8:05
Resumo de viagens no tempo na ficção
24:14
The Banach–Tarski Paradox
4:05
Passing A Portal Through Itself
5:44
The Trouble with Transporters
43:08
Every Softlock in Portal
24:52
What if all the world's biggest problems have the same solution?
3:39