Nathan Geffen's website

Simulations

• Introduction to modelling epidemics and infectious diseases
• Why don't dangerous animals often kill each other when competing for mates? A simulation of how non-lethal agonistic behaviour evolves.
• Balls on a plane
• Graphical implementation of the Prisoner's Dilemna game that Robert Axelrod and Douglas Hofstadter wrote elegantly about in the 1980s. (Github repo - implemented in old version of Qt. No idea if it still works.)

Miscellaneous

• Archived Treatment Action Campaign website as of October 2008
• Archived back issues of Equal Treatment, the magazine of the Treatment Action Campaigm
• Space travel calculator: Find out how long it will take you to get to various planetary and interstellar vacation spots.
• Quackdown: retired website that used to debunk nonsense
• Selected reading following the events in Israel, Gaza and the West Bank of 7 October 2023
• South African Human Rights Delegation to Israel and the Occupied Palestinian Territories 2008

Mutterings

• Israel: Double-standards, myths and facts (Originally published by Vrye Weekblad on 12 January 2024)
• South Africa and Israel chose different paths. Vrye Weekblad, 5 January 2024 (PDF)
• Without appropriation art is sterile (26 August 2019)
• Movie review: Joker vs Black Panther (2 February 2020)
• Steven Pinker and the need for modest claims in speculative science writing