In the 1980s and 1990s, small tape drives were used for desktop computer backup but were eclipsed by Zip disks and other magnetic media. After the turn of the century, optical media (CD-R ...

The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges because they weigh less, have higher capacities and are not subject ...

Like the magnetic cassette and the floppy disk before them, optical discs became obsolete, relegated to collector’s items on people’s living room shelves. However, optical discs may be about ...

One of new bot’s features will be magnetic position encoders for the wheels. In the past, [Erich] has used the encoder disks that Pololu sells without issue. At 69¢ each, they don’t exactly ...

Use less battery power - devices they are in stay charged for longer. Be more robust - a magnetic disk could be ruined by dropping it, because its moving parts may be damaged.

Additionally, the role of optical forces in smear formation ... The temperature at which a material loses its permanent magnetic properties. Head-Disk Interface (HDI): The area where the read ...

An international team that includes ECE's Paolo Pintus, Mario Dumont, Galan Moody, and John Bowers develops a faster, more durable optical platform for in-memory computation From the COE News article ...