Season 6

Video thumbnail: PBS Space Time Was the Milky Way a Quasar?

PBS Space Time

Was the Milky Way a Quasar?

Recently we discovered that its violent past was much more recent than we thought.

Was the Milky Way a Quasar?

Video thumbnail: PBS Space Time Mapping the Multiverse

Mapping the Multiverse

Video thumbnail: PBS Space Time How We Know The Universe is Ancient

PBS Space Time

How We Know The Universe is Ancient

How do you learn the age of the universe when there’s no trace left of its beginnings?

How We Know The Universe is Ancient

Video thumbnail: PBS Space Time How We Know The Earth Is Ancient

PBS Space Time

How We Know The Earth Is Ancient

How can we be sure about timescales so far beyond the capacity for human intuition?

How We Know The Earth Is Ancient

Video thumbnail: PBS Space Time How Black Holes Spin Space Time

PBS Space Time

How Black Holes Spin Space Time

If there’s one thing cooler than a black hole it’s a rotating black hole.

How Black Holes Spin Space Time

Video thumbnail: PBS Space Time Does Quantum Immortality Save Schrödinger's Cat?

PBS Space Time

Does Quantum Immortality Save Schrödinger's Cat?

If the quantum multiverse is real there may be a version of you that lives forever.

Does Quantum Immortality Save Schrödinger's Cat?

Video thumbnail: PBS Space Time How Decoherence Splits The Quantum Multiverse

PBS Space Time

How Decoherence Splits The Quantum Multiverse

Does conscious observation of a quantum system cause the wavefunction to collapse?

How Decoherence Splits The Quantum Multiverse

Video thumbnail: PBS Space Time Does Consciousness Influence Quantum Mechanics?

PBS Space Time

Does Consciousness Influence Quantum Mechanics?

There is an idea that consciousness can directly influence quantum systems.

Does Consciousness Influence Quantum Mechanics?

Video thumbnail: PBS Space Time Are There Infinite Versions of You?

PBS Space Time

Are There Infinite Versions of You?

If the universe goes on forever, does that mean there are infinite versions of you?

Are There Infinite Versions of You?

Video thumbnail: PBS Space Time Hacking the Nature of Reality

PBS Space Time

Hacking the Nature of Reality

An insight by a young scientist in 1925 allowed us a better understanding of space time.

Hacking the Nature of Reality

Video thumbnail: PBS Space Time Solving the Three Body Problem

PBS Space Time

Solving the Three Body Problem

The three body problem is famous for being impossible to solve.

Solving the Three Body Problem