In Pictures: Extreme tech - 22 devices that go all out

Check out these 22 devices that push the limits of technology in almost every way.

Eternal: Produplicator M-Disc DVD-R Media

Have some files that you need to keep forever? Why not etch them into stone?

M-Discs are a storage medium made out of a rock-like material. Unlike CDs or DVDs, which can degrade over time, M-Discs will last regardless of how often you use them, and any DVD drive can read them.

You can etch data to M-Discs using any compatible drive from LG that displays the M-Disc logo. One good option is the LG Super Multi Blue CP40NG10 (shown at right in this slide).

Produplicator M-Disc DVD-R 4X Media | Cost: a ten-pack runs about $30; a typical LG Blu-ray player costs about $70

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