But fear not, data hoarders. Two companies have stepped up to reassure the Japanese market that they'll keep producing high-quality optical media: Verbatim and I-O Data.

For example, tellurium is used in the newly developed phase-change memory chips as well as in rewritable CD, DVD and Blu-ray discs. Bismuth telluride is widely used in thermoelectric cooling devices.

Time-consuming to manage the backups. Some computers no longer include a disc drive. Can get pricey for large amounts of data as you continue to buy additional discs. Discs are easier to break ...

Insert a blank disc into the disc drive (you can purchase an internal or external drive). Open File Explorer and right-click on the ISO file. In Windows 10, select the Burn disc image command.