Does the universe need observers to exist? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly explore questions about entropy, spontaneous symmetry breaking, spectroscopy and more with astrophysicist Charles Liu.

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Cosmic Queries – Spontaneous Symmetry Breaking with Charles Liu

StarTalk with Neil deGrasse Tyson

Cosmic Queries – Spontaneous Symmetry Breaking with Charles Liu