Could any-one tell me?((1/4inch thick)) I can put a flashlight behind it and knots and some veins glows rose coler! any-one tell me what causes this to happen and how rare is this
jameskeith
The liquid in the wood or knots allows light to travel through the wood. When the liquid dries, light will not show through.
I know this because I've turned a lot of soaking wet Palo Verde, and as long as it's wet, light will go through 3/8" thick wood and thinner. When dry, it's just another piece of wood no matter what the thickness. My thinnest so far is 3/16" thick walls.
Years ago I made some solid shutters out of 1×12 pine with a lot of knots. They went on a west facing window. When the sun highlighted the shutters at about 3 pm until darkness, about half the knots glowed. I looked and could see a bunch of resin in the knots, but it never leaked out. The knots that didn't glow were dry knots…....... Jerry (in Tucson)
I know this because I've turned a lot of soaking wet Palo Verde, and as long as it's wet, light will go through 3/8" thick wood and thinner. When dry, it's just another piece of wood no matter what the thickness. My thinnest so far is 3/16" thick walls.
Years ago I made some solid shutters out of 1×12 pine with a lot of knots. They went on a west facing window. When the sun highlighted the shutters at about 3 pm until darkness, about half the knots glowed. I looked and could see a bunch of resin in the knots, but it never leaked out. The knots that didn't glow were dry knots…....... Jerry (in Tucson)
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