this post was submitted on 19 Apr 2025
22 points (89.3% liked)
Science
4253 readers
138 users here now
General discussions about "science" itself
Be sure to also check out these other Fediverse science communities:
founded 3 years ago
MODERATORS
you are viewing a single comment's thread
view the rest of the comments
view the rest of the comments
It's not just the narrow wavelength. Even with a perfectly monochromatic green light, your green receptors would activate a lot but your receptors for red and blue would still activate a bit. These researchers specifically target only the green receptors to activate (by literally shooting light at those receptors in particular), so for the first time ever your brain reads a pure green signal.