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Neil deGrasse Tyson Explains How We See Colors

Is that apple in your hand really red? Or is it another color? Or is it even a color? On this StarTalk explainer video, Neil deGrasse Tyson and comic co-host Chuck Nice are exploring how we see colors. Neil settles the “blue dress vs. gold dress” debate that took the internet by storm a few years back. We reflect on the relationship between scientific advancements and our physiological senses. You’ll learn why things are different colors. We discuss white light. Neil explains why, if you’re holding a red apple in your hand, the apple is not actually red. What happens if you take a red apple up to a light that has no red in it? What color would the apple be? All that, plus, we talk about “dark adaptation” and how it impacts the way we see colors in the dark. Support us on Patreon:   / startalkradio   Subscribe to StarTalk: https://www.youtube.com/user/startalk... Follow StarTalk: Twitter:   / startalkradio   Facebook:   / startalk   Instagram:   / startalkradio   About the prints that flank Neil in this video: "Black Swan” & "White Swan" limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver https://inuit.com/. About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeildeGrasseTyson 0:00 - Introduction 0:38 - What Color Means To Astrophysicists 2:12 - The Debate Over The Color Of 'The Dress' 4:09 - What Are The True Color Of Objects 8:37 - Black Is The Absence Of Color 12:05 - Neil's Dark Adapt Experiment 14:22 - The Most Efficient Way To Take Notes 15:04 - Closing Notes