Tuesday 16 August, 2022

Analog Surveillance

A ‘listening door’ used by the East German regime in the pre-1989 era. Photograph of an exhibit in the (unmissable) Stasi Museum in Berlin. Note the number of batteries required! Poor quality image because it was behind a glass screen.

Quote of the Day

“What’s a thousand dollars? Mere chicken feed. A poultry matter.”

  • Groucho Marx

Musical alternative to the morning’s radio news

Duke Ellington | The Single Petal Of A Rose


Long Read of the Day

Electric Vehicles Are Way, Way More Energy-Efficient Than Internal Combustion Vehicles

Really useful summary of some recent research by the Yale Climate Connections project.

TL;DR version: in a fossil-fuel powered vehicle around 80% of the energy in the fuel is lost in engine and related inefficiencies. In an EV only about 11% of the energy is lost.

The details are interesting though, so worth a read.

My commonplace booklet

And while we’re on the subject of surveillance…


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