Computing Update

GE develops the ability to fit 100 DVD's worth of information on a single DVD disc:

http://www.nytimes.com/2009/04/27/technology/business-computing/27disk.html

Alternative Energies Update

Microbes used to turn electricity into methane:

http://www.physorg.com/news157651388.html

They could be an efficient and carbon-neutral way to store electricity generated by wind and solar power.

Alternative Energies Update

Interesting techniques for storing solar energy at night or wind energy when the wind doesn't blow:

http://www.ecogeek.org/content/view/2612/80/

Artificial Intelligence Update

"A dual-layer Blu-ray disc can store an impressive 50 gigabytes, but discs which can hold 20 times as much data have just taken a step closer, thanks to new materials that make reading and writing 3D holograms more reliable."

This isn't directly related to the title of this post, but...close enough, since AI will require the means to store massive amounts of data.

http://www.newscientist.com/article/dn16464-holographic-discs-set-to-smash-storage-records.html

Alternative Energies Update

Breakthrough may double the storage capacity of ultracapacitors:

http://www.sciencedaily.com/releases/2008/09/080916143910.htm