A Button is a Promise
Oct 8, 2026 · 36m
Summary
Host Alex Goldman investigates the paradox of the microwave popcorn button, which bags explicitly warn against using. He explains that the button often relies on unreliable humidity sensors or simple timers rather than true automation, a flaw stemming from a 1980s industry race to innovate. The episode traces the button’s origin to a desperate attempt by Litton to compete with Japanese manufacturers and reveals that popcorn brands added warnings to deflect liability for burnt snacks. Ultimately, the host concludes that listening to the popping sounds remains the most reliable method for ens…
Topics discussed
Promo for Only If You Get Caught
Sponsor: Momentus Creatine
Show intro and episode premise
Listener Suzelle's question about popcorn
The paradox of the microwave popcorn button
Discussion on button reliability and origins
Summary of questions and episode structure
Chapter 1: Mechanics of the popcorn button
Introduction to tech expert Alec
How the button actually works (or doesn't)
Identifying sensor types in microwaves
Moisture sensors and their limitations
Why popcorn bags defeat humidity sensors
Sensor drift and hardware failures
Why manufacturers warn against the button
Newer microphone-based sensor technology
Chapter 2: Cultural history of the button
Interview with Sharp's Harry Hessen
The 1988 debut of the popcorn button
Investigating the button's true origins
Discovery of the sonic sensor patent
Shifting focus to the sonic sensor creator
Interview with Litton engineer Mike Hodgetts
Litton's desperation and the 'hearing' microwave
Developing the prototype under pressure
Patent expiration and industry adoption
Sharp's refusal to confirm the timeline
Sponsor: Gusto Payroll Software
Gusto ad continuation
Sponsor: Jack Archer Clothing
Sponsor: Odoo Business Software
Chapter 3: The popcorn industry's perspective
Interview with Jolly Time's Tracy
Explanation of the Popcorn Board
Checkoff programs and industry promotion
Consumer blame and warning labels
Variables in the popcorn itself
Moisture levels and shelf life
The importance of listening to the pop
The philosophical problem of the button
Follow-up with Suzelle on mindfulness
Apps for hearing-impaired listeners
Credits and premium membership promo
Outro and Radiotopia network promo
Bonus clip: Testing the button
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