But what are Hamming codes? The origin of error correction

Transcript

Have you ever wondered how it's possible to scratch a CD or a DVD and still have it play back whatever it's storing? The scratch really does affect the 1s and 0s on the disk, so it reads off different data from what was stored, but unless it's really scratched up, the bits it reads off are decoded into precisely the same file that was encoded onto ... Read More