What Is Many-worlds In Devs?
Short Answer
Many-worlds in Devs is the theory that reality branches into multiple outcomes, used by Lyndon to improve the machine and rejected by Forest.
Connected Story Threads
Lyndon is the engineer who makes many-worlds work for the machine.
The dam scene turns many-worlds into the question of which Lyndon survives.
Many-worlds provides the language for branch outcomes.
Lyndon creates the breakthrough and pays for it professionally.
The breakthrough makes many-worlds useful inside the machine.
Forest rejects the method because it threatens one unique Amaya and one unavoidable past.
Direct Answer
Many-worlds in Devs is the theory that reality branches into multiple outcomes, used by Lyndon to improve the machine and rejected by Forest.
Evidence From The Series
Lyndon's many-worlds approach makes projections clearer, but Forest fires him because it implies multiple versions of Amaya and multiple histories.
Why It Matters
The theory is scientifically useful in the story and emotionally unbearable for Forest.
Related Characters, Places, and Concepts
More Questions About Many-Worlds Interpretation
Lyndon is a young Devs engineer whose many-worlds breakthrough improves the machine but leads to his firing and death.
Forest rejects many-worlds because it gives him many possible Amayas instead of one unique daughter in one unavoidable history.
Katie is Devs lead scientist and Forest closest ally, later becoming the person who keeps the final simulation running.
Devs sees the past by reconstructing earlier states from its model of reality and displaying them as images and sound.
The dam scene means many-worlds is not just an abstract theory in Devs; it can become a cruel way to justify risking a real person's life.
Lyndon dies because Katie makes his return to Devs depend on a dam-ledge test of his many-worlds belief, and in the branch shown he falls.