Do stars and spaces go on forever? Do the numbers of galaxies, and even of universes, have no end? Here’s how infinity enriches appreciation of reality.
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Episode 07
Season 11
26:46
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Extra dimensions—beyond length, width, height—seem like the stuff of science fiction. What would extra dimensions be like? Is time the fourth dimension? Does string...
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Topic Series
9 videos
1:23:20
One of artificial intelligence’s legendary pioneers, Marvin Minsky, recently died. With this tribute, we celebrate his penetrating analysis of brains, minds, AI, religion...
Episode 13
Season 16
26:45
Everything in the universe has a beginning, but how can the universe as a whole have a beginning? Does the cosmos come with a start date? Does a universal commencement make...
6 videos
57:17
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To most physicists, mindless laws generated the universe. A few believe that a supreme being is the creator. But don’t the discoveries of cosmology eliminate the need for...
Episode 05
Season 18
26:48
The expanding universe is humanity’s monumental discovery. Beginning infinitesimally small, the universe has become majestically large. How could this happen? What...
7 videos
1:07:48
What to make of an expanding universe? For one thing, roll the ‘movie’ in reverse and we have all the matter concentrated in what seems to be a single point,...
3 videos
30:25
The early universe was a superhot plasma of particles all running seemingly at random as if in a gigantic cauldron. How then the structure we see today with galaxies, stars,...
8 videos
1:08:19
Do stars and spaces go on forever? Do the numbers of galaxies, and even of universes, have no end? Is our universe infinite in size and contents? Are there an infinite number...
44:12
The size of the cosmos has been growing, in more ways than one. Our universe is expanding. Multiple universes, an immense number of them, are likely being generated...
5 videos
50:29