Short Wave Short Wave

Why you can't stop scrolling: the science of 'dark flow'

Jun 1, 2026 · 12m

Summary

Host Emily Kwong and guest Mikeleene Ducleff explore how tech companies mimic gambling industry tactics to create addictive apps. They detail four design features—solitude, bottomlessness, speed, and algorithmic teasing—that induce a harmful "dark flow" state. The episode contrasts this with positive flow states and offers practical tips, like removing phones from living spaces, to help users regain control over their screen time.

Topics discussed

Intro: Screen time addiction and the 'super glue' of apps Sponsors: NetSuite and Edward Jones Origins: How casinos created addictive digital slot machines The 'Machine Zone': A trance-like state of gambling Ingredient 1: Solitude removes social cues to stop Ingredient 2: Bottomlessness and endless content Ingredient 3: Speed and infinite scroll Ingredient 4: Algorithms that tease rather than satisfy Dark Flow vs. Good Flow: Why scrolling feels bad Solutions: Tips to break the screen time habit Outro: Credits and NPR support appeal
Listen ad-free on Castria