Commentary by Chris Pressey

This work is distributed under a CC-BY-ND-4.0 license, with the following explicit exception: the ratings may be freely used for any purpose with no limitations.

Energy Management

Large-scale electricity storage | Royal Society

• rating: 2

"solution-mined salt caverns"

Electrical 'superhighway' between Scotland and England approved - BBC News

• rating: 1

Bet you they're not using "agile" for building this thing...

Batteries for AA-compatible digital cameras

• rating: 1

Extensive information about batteries, rechargeable batteries, and not just in digital cameras