The Shawn Ryan Show

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#316 Brian Keating - The First Object Ever Found From Another Solar System

Explore episode Jun 25, 2026
Science
The BICEP Experiment: Almost Winning — and Losing — the Nobel Prize

#316 Brian Keating - The First Object Ever Found From Anoth… · Jun 25, 2026 Science

In 2014, Brian Keating's BICEP team announced they had detected the gravitational wave signature of cosmic inflation — the primer strike of the Big Bang itself. It made headlines worldwide. Then it turned out to be dust from dead stars. The ultimate lesson: you are the easiest person to fool yourself.

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The BICEP Experiment: Discovery, Announcement, and Retraction

At 2:19:00 · chapter starts 2:13:10

Keating explains the instrumental physics of CMB detection: microwaves are absorbed by water, so detection requires environments with no water vapor — the South Pole and Chile's Atacama at 17,000 feet. His BICEP telescope was designed to find a specific polarization signature in the CMB called B-modes, which would be the 'shrapnel' of the inflationary explosion that started the Big Bang. Using the analogy of detecting gunshot evidence through multiple channels — sonic, visual, chemical, radioactive — he explains how physicists devise indirect detection methods for phenomena they can never directly observe. The stage is set for the announcement that rocked cosmology.

Science
The Big Bang, Cosmic Microwave Background, and What Happened the Day Before

#316 Brian Keating - The First Object Ever Found From Anoth… · Jun 25, 2026 Science

The cosmic microwave background is the leftover heat from nuclear fusion at the universe's birth — still detectable today. To find it, you need to go where there's no water: Antarctica or the Atacama Desert. Brian Keating dedicated his career to capturing its faintest signal to answer humanity's oldest question: what happened before the Big Bang?

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