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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.
What else can I help you with?
What stores data as a trail of tiny pits or a dark spots on its surface?
Optical storage device
What is called the dark spots of the sun?
sun spots
Polycarbonate discs coated with a reflective metal on which data is recorded using laser technology as a trail of tiny pits or dark spots in the surface of the disc are storage devices?
MAGNETIC
What are the dark spots called on the earth?
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
Is exfoliate good for dark spots on your legs?
yes you can scrub, exfoliate and moisturise your legs to remove dark spots .
What are the dark and cooler spots on sun called as?
Dark spots on the Sun are called sunspots. (You knew that was coming, didn't you?)
What colour is the snow leopard?
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.
What are the Sudden bright spots near the dark spots?
they are called flares
What are the dark spots?
craters. They look dark because they are shadowed.
What does it mean to have dark red spots in your panties?
the dark red spots in panties are the periods (the monthly bleeding from a women's womb)
What citrus fruit juice lighten the skin dark spots?
Lemon juice is known to lighten skin dark spots.
Knee dark spots?
Bruises
