Kevin Espiritu
๐ค SpeakerAppearances Over Time
Podcast Appearances
They'll use red light to signal flowering and stuff like that.
So whoever was designing the lights back then was like, well, let's just give them exactly these ranges.
like 450 nanometers or you know 660 nanometers whatever it is um and then these days lights that are coming out led or otherwise are trying to express like put out more of that spectrum because it's been proven like you said neil like they're using light in the far red spectrum they're using they're even using green light which we didn't know for like a century because you know you always hear like well plants are green because they reflect green and it's not entirely true
Not all plants are rejecting all green.
So if you take red and blue, just colloquially, those ranges, I think the plant is using somewhere between like 91% and 95%, depending on which color it is.
Green, you would think like, well, it's reflecting green, so it's using like 0% or maybe 10%.
It's still absorbing in the range of like 70% to 80% of green light.
Pretty much.
Play him a little music, man.
You know, I get it all the time.
Like, do you talk to them?
Do you name them?
I'm a little bit brutal to them sometimes.
I mean, that whole leaves, like normal plant leaves, are absorbing maybe about 80% of green light or so.
So they're reflecting back a 20, which is pretty much what we're seeing.
But the way it ended up working in the study that kind of turned everyone on their head, realizing that we actually do use green light with plants,
is that it's penetrating deeper into the canopy.
So like the red and the blue light is getting used up first, absorbed at a really high efficiency.