@midgephoto
> Being academics and security types, the Newton college lot thought in terms of infallibility, and of a motivated enemy
  > Being academics and security types, the Newton college lot thought in terms of infallibility, and of a motivated enemy
The most intriguing long term communication project I've come across is the group working on warning future generations about radioactive contamination. Taking into account the longest half-lives, and the fact that civilisation could completely collapse over that timespam, even multiple times.
What signage would be durable and pan-cultural enough to do the job?