Japan-based Infinity Storage Media has launched the first Blu-ray / DVD hybrid disc.

The disc sports a single-layer of Blu-ray (25GB) on one side and a conventional dual-layer DVD (8.5GB) on the other.

Essentially it works by having different permeable layers for DVD and Blu-ray and different thicknesses between them.

Since the lasers penetrate to different depths, it allows either the DVD or Blu-ray to be read depending on what player the disc is on.

Obviously, the main benefit of the hybrid is that it’s backward compatibility.

This means that users can switch it between their Blu-ray and DVD players without the need to have two different copies.

The Japanese market is to be the first to benefit with the release of locally-made drama Code Blue.

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