What is optical storage and how does it work?

Optical storage | IBM

484K views · 6.6K reactions | 5D Optical Data Storage(360 TB) | AyE sciEncE | Facebook

External and Internal Storage Devices: Optical, Magnetic & Semiconductor Storage

The probability of a successful optical alignment in the assembly of an optical data storage product is 0.8 . Assume the trials are independent. (a) What is the probability that the first successful alignment requires exactly four trials? (b) What is the probability that the first successful alignment requires at most four trials? (c) What is the probability that the first successful alignment requires at least four trials? | Numerade

5D Optical Storage Can Pack 500-Terabytes of Data Into CD-Sized Glass Disc