Virtually nothing at national levels is stored as electrons, not even at your iPad level where watt-hours are stored in batteries in an intermediateform as ionized chemical molecules.
This basic idea of storing energy from the spring in an intermediate electrical form was taken a stage further in Freeplay's clockwork torch, which was launched last year.
An investigation by TurkTrust revealed that in August 2011 it twice accidentally issued the wrong type of security credential, a form of identification known as an intermediate certificate.