Why This Universe?

On May 12, 2022 astronomers revealed an image of the supermassive black hole at the center of our Milky Way galaxy. Today we tell the story of what made this image possible. Today's episode is sponso...

11 Juli 202231min

Just like water changing to ice when it freezes, there were times in the universe's early history when reality changed in almost an instant. Today we dive into these cosmological phase transitions, an...

27 Juni 202225min

When cosmology was still an infant science, a daring physicist wrote a theory of the beginning of time. We revisit this theory and see what value we can still glean from it today. Support the show

23 Maj 202225min

Today we explore different interpretations of quantum mechanics, from Copenhagen to the many-worlds hypothesis, in an attempt to uncover what quantum reality really is. This episode is a rebroadcast o...

9 Maj 202234min

A whirlwind of questions brings us to an odd conclusion: could reality be an illusion created by a quantum fluctuation of a brain? For ad-free episodes and other exclusives, join us for $3 a month on...

25 Apr 202228min

Here on Earth, we are constantly being showered by particles from outer space called cosmic rays. What do we know about where these particles really come from? For ad-free episodes and other exclusiv...

4 Apr 202225min

Today we are rebroadcasting an earlier episode all about extra dimensions - How many dimensions of space are there? Could there be extra dimensions that are hidden from view? For ad-free episodes and...

14 Mars 202228min

Special guest Dr. Diana Powell gives us the lay down on the field of exoplanet research, and on how these recent discoveries may shed light on the question of extraterrestrial life. For ad-free episo...

28 Feb 202239min