The surface area to weight ratio of bamboo charcoal is 600:1. This means that 1 gram of bamboo charcoal has a surface area of 600 square meters. This is because of the presence of the C60 carbon molecule that is a ball shape.
0. As we age, the lens in our eye begins to absorb and scatter more blue light (it becomes yellower). This causes a decrease in visual sensitivity to shorter wavelengths that make us less sensitive to blue colors and less able to discriminate purple and red colors. There also tends to be more of a negative effect of glare as we age. So really, no colors are discriminated better as people get older and whether brighter or softer colors are preferable would probably depend on the particular person and the illumination and viewing conditions. more.
But there is much more to your child's understanding of color than knowing his colors.. While it is important for him to know the names of the colors, it is just as important for him to know what to do with them. You can help by inviting him to notice many shades, hues, and tints. Make up names for these colors together, such as lemon yellow or apple red.