Here’s how it works. Scientists have developed a new type of optical disc that can increase information storage capacity to the "petabit" level — 125 terabytes of data, or the combined storage ...

Everyone knows optical disc formats like CD and DVD, but history is littered with other attempts to make shiny round discs that hold some sort of recording. With very mixed results! I like to poke ...

This is because, spatially speaking, optical disks almost always offer just a single, 2D layer–that reflective, silver underside–for data encoding. If you could boost a disk’s number of ...

To put it into perspective, a diamond optical disc of the same size as a standard Blu-ray could hold 100 terabytes of data—equivalent to 2,000 Blu-rays—while far outlasting their limited ...

Around a decade ago, you gave up on burning optical discs, and switched to storing your files on portable hard drives. One local, one off-site, and a cloud backup just to be sure. You’re ...

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 As removable media, optical discs superseded the earlier magnetic disk cartridges because they weigh less, have higher capacities and are not subject ...

As New Scientist explained on Wednesday, a diamond optical disc can store the same amount of information as roughly 2,000, same-sized Blu-rays. What’s more, researchers need to ensure all that ...

And to expand to other optical discs, Target announced this year that it would only sell DVDs during special times, like holiday seasons or upon new releases. Target still appears to sell Blu-rays ...

Optical discs, such as DVDs and Blu-rays, may have completely fallen out of favor in the PC games business over the last few years, but scientists have possibly thrown a lifeline to the rainbow ...

Optic Disc Swelling In contrast to true papilledema, with AION or optic neuritis, there is a startling loss of visual acuity, but clear-cut field defects. The presence of exudates, cotton wool ...