Why the Perfect Red Is Impossible to Make

Visit https://brilliant.org/scishow/ to get started with Brilliant’s tutor for free and get 20% off your annual premium subscription. So you want to make the perfect red pigment—something vibrant, something that won't fade, and something that isn't toxic. Good luck, because scientists are still working that out. But in their search, some are taking the whole "pigment" part out of the challenge, by turning to structural color instead. Hosted by: Ceri Riley (she/her) ---------- Support us for $8/month on Patreon and keep SciShow going! https://www.patreon.com/scishow Or support us directly: http