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Recorded archiveLectureScience21 Aug 2026 · 19:00 BST · 70 min

Lecture: identification without an experiment

Recording available. A tour of natural experiments and their discontents.

Recording

Introduction & thesis

Opening thesis

00:00 / 70:00

On the stage lectern

Nothing on the lectern. A speaker can project a quotation for everyone to read.

Room controls

Opening thesisCross-examinationAudience challengesFinal synthesis

Challenge queue

Questions from the floor

Say what kind of intervention you are making. The room votes; the host decides what goes on stage.

No questions yet. The first challenge sets the tone.

Minds shifted

Where the room stood, before and after

On the proposition put to this session.

Before the session

After the session

No one has voted both before and after yet.

Live scribe

Claims, definitions and sources as they land

The room writes the record together. Add a timestamp so it can be found again.

  1. Nothing scribed yet. The first claim on the record shapes the rest.

After the session

What this room leaves behind

Pinned ideas and sources, and two ways to carry the argument forward.

Pinned ideas

No idea was pinned to this session yet.

Sources cited

No sources pinned yet.