A direct access storage device that is written and read by light. The most common types are CD, DVD and Blu-ray. As removable media, optical discs superseded the earlier magnetic disk cartridges ...

Current HD content (Blu-ray discs) require 10’s of GB of storage capacity (single layer disc is about 25 GB capacity and a double layer discs, like 3D Blu-ray discs, have capacities of about 50 GB).

As New Scientist explained on Wednesday, a diamond optical disc can store the same amount of information as roughly 2,000, ... To create the recordbreaking data storage device, ...

Scientists have proposed a new type of data storage device that harnesses the powerful properties of quantum mechanics. The ultra-high-density optical memory device would consist of numerous ...

Researchers at the University of Shanghai for Science and Technology have come up with an optical storage device that has the same shape and size as a DVD or Blu-Ray disc — but can hold a ...

The storage capacity within the area of a DVD-sized disc can reach up to Pb level, equivalent to at least 10,000 Blu-ray discs or 100 high-capacity hard drives.

It has become incredibly commonplace to refer to optical storage devices as discs and magnetic ones as disks ever since. There is a practical reason behind the two names now, but it started off as ...

You can't keep a good disk down, it seems. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Good news for those of you that have kept that ...

Researchers showcase 1-petabit optical disc for more efficient mass storage By Daniel Sims February 21, 2024, 19:19 68 comments Serving tech enthusiasts for over 25 years.

optical storage devices, such as CD, DVD and Blu-ray discs magnetic storage devices, such as hard disk drives However, not all computers require secondary storage.