The public furore that ensued would have aborted any normal intelligence set-up.

ECONOMIST: Russian espionage

Technicians set up the micro-array in the same way they might set up a normal microphone.

ECONOMIST: How to reproduce the ambiance of a live concert in the home

Regardless of whether Ms Jowell has done anything wrong, she has been damaged by the picture that has emerged of the world her husband inhabited, one in which raising multiple mortgages to invest in hedge funds or earning large fees to set up exotic tax-avoidance schemes was perfectly normal.

ECONOMIST: Bagehot

Given a start with some other fissile material (U-233, U-235 or Pu-239) as a driver, a breeding cycle similar to but more efficient than that with U-238 and plutonium (in normal, slow neutron reactors) can be set up. (The driver fuels provide all the neutrons initially, but are progressively supplemented by U-233 as it forms from the thorium.) However, there are also features of the neutron economy which counter this advantage.

FORBES: Is Thorium the Biggest Energy Breakthrough Since Fire? Possibly.

An Israeli company, dubbed Lumus-Optical, is looking to change all that by offering up a relatively normal looking set of spectacles with twin microdisplays and mini projectors.

ENGADGET: Lumus-Optical unveils microdisplay-packin' designer glasses