Carl Sagan: 4th dimension
Click here to watch video - 07:15s
World famous astronomer and astrophysicist, the great Carl Sagan, explains the 4th dimension.
Full Version: Carl Sagan: 4th dimension
Carl Sagan: 4th dimension
Click here to watch video - 07:15s
World famous astronomer and astrophysicist, the great Carl Sagan, explains the 4th dimension.
God rest his atheist soul. 
This looks like one of the episodes of Cosmos from late 70's / early 80's.
I think he was sincerely trying to educate people.
R.I.P. Carl Sagan
This looks like one of the episodes of Cosmos from late 70's / early 80's.
I think he was sincerely trying to educate people.
R.I.P. Carl Sagan
I loved watching him. He had an amazing ability to teach...to take difficult abstract ideas and make them more understandable. Kind of what Michio kaku has done today...
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