The Science Behind "Blade Runner"'s Voight-Kampff Test - Facts So Romantic

Rutger Hauer, the Dutch actor who portrayed Roy Batty in the film Blade Runner, passed away recently. To celebrate his iconic role, we are revisiting this piece on the Voight-Kampff test, a device to detect if a person is really human. Is Rick Deckard a replicant, an advanced bioengineered being? The jury concerning the character in 1982's Blade Runner is still out. Harrison Ford, who plays Deckard in the film, thinks he's human.