Nita sat there with her mouth open, looking up at the words the tree was making with cranky light and shadow.
This has the effect of making the tile panels of its lower walls sparkle with natural light.
As it chanced, the sinking sun shone at this hour full into the cave, so that all its darkness was made red with light.
This measurement is made with electrons, rather than with light, and can be done with very high spatial resolution!
He says he "makes pictures with electronic light" and "sculpts with memory instead of space."
Not even squeezing Ms eyes shut would make a difference with light of this brightness.
Astronomers have no way of observing, or making discoveries with too much light to block the night sky.
Trying to make such intricate circuits with light is like trying to paint a thin line with a wide brush.
Actually, it is not super-easy to make "chemical energy" with visible light.
By inventing the calotype, he could make multiple positive prints of those drawings with light from a paper negative.