Arrow of Time - Sixty Symbols
25:34
Where do particles come from? - Sixty Symbols
19:52
The Interesting Physics of Robert Oppenheimer (not the bomb) - Sixty Symbols
21:49
Sean Carroll on Causality and the Arrow of Time
15:53
Falsifiability and Messy Science - Sixty Symbols
16:30
Why is light slower in glass? - Sixty Symbols
12:38
Entropy and the Arrow of Time
12:04
The LONGEST time - Numberphile
45:20