Planck Time - The shortest measure of time
12:46
The Planck Mass: Not extremely big and not extremely small
7:29
The Planck Length: The resolution of the Universe?
15:39
The Planck Temperature: How hot can the Universe get?
23:31
Calculating the Planck Units
11:16
You Are Traveling at the Speed of Light Right Now
12:31
Why Did Attosecond Physics Win the NOBEL PRIZE?
13:07
Visualizing infinity. Is the universe infinite? the largest scales
12:23