5D optical memory in glass could record the last evidence of civilization

http://phys.org/news/2013-07-5d-optical-memory-glass-evidence.html

* 360+ TB of storage
* Temperature stable to +1,000 Centigrade
*Estimate 1,000,000 year span for stable data storage.

I always thought glass storage would be the best long-term storage solution, but I was thinking of glass DVD's. This blows my little idea away. - Dan