Optical drives such as CD or DVD writers store data as described in the question. When these drives write, they use lasers, and the lasers etch into the ink/dye that is located inside the label of the CD or DVD. The laser causes the ink to change colors. The write speed of the medium is determined by the speed at which the ink can change colors. The faster the chemical change takes place, the faster it can be written to.
Optical storage device
Optical storage device
optical
magnetic storage
sun spots
MAGNETIC
what are the spots on earth main or do the earth have spots what are the spots on earth main or do the earth have spots
Dark spots on the Sun are called sunspots. (You knew that was coming, didn't you?)
yes you can scrub, exfoliate and moisturise your legs to remove dark spots .
The color of their fur is pure white with dark black spots. They can also have a smoky gray or yellowish fur. The spots could be dark gray instead of dark black spots.
they are called flares
craters. They look dark because they are shadowed.
the dark red spots in panties are the periods (the monthly bleeding from a women's womb)