Source: David Friedman’s Substack
by David Friedman
“My novel Salamander is a fantasy in which some mages are truthtellers. I did not put as much thought as I should have into the question of how a society would be different if it was possible to tell when someone was (subjectively) lying, a question relevant to fictional worlds but also to possible futures. A better understanding of how the mind works might produce a real lie detector, one that reliably reported whether a speaker believed that what he said was true. What effects would it have on our society, assuming the lie detector was inexpensive and available to almost everyone?” (07/15/26)
https://daviddfriedman.substack.com/p/if-lie-detectors-worked