'2024 Infrared signals are detected coming from the centre of the Galaxy, obviously the product of a technologically advanced civilisation. All attempts to decipher them fail.' —Arthur C. Clarke
Created by gwern on 2010-10-26; known in 10 days
- gwern estimated 1% on 2010-10-26
- gwern said “http://www.arthurcclarke.net/?scifi=3” on 2010-10-26
- anonym estimated 1% on 2010-11-27
- JoshuaZ estimated 1% on 2011-01-01
- themusicgod1 estimated 3% on 2016-10-07
- pranomostro estimated 0% on 2019-01-08
- chemotaxis101 estimated 1% on 2020-09-13