Grey Walter’s Tortoises – Batteries, Re-charging, Hutches and Autonomy

A significant feature of the tortoises is so often referred to as "An Imitation of Life".  As well as their behaviour, the tortoises construction  had to be such that autonomy could be exhibited. This is somewhat driven by the technology and parts available at the time. For Grey Walter's purposes, the models had to be self-contained …

Time-Lapse Photographs of ELMER with ELSIE

I have only come across two time-lapse photographs with both ELMER and ELSIE. One has to be careful in interpreting time-lapse photographs as there are possibly different events happening at different times, off picture interference, and possibly different start times of each tortoise. An important observation highlighted by Owen Holland is the direction of rotation …

M. speculatrix – a new species of animal – ELMER

ELMER – (ELectro-MEchanical Robot)                              How the media reported the coming of ELMER :   Lethbridge Herald –  Wednesday , February 25, 1948 Robot Tortoise Likes Women – Recognizes Voices, Comes To Meet When Called-Can be Sulky                                           LONDON. Feb. 25      Daily Express reported today that Dr. W. Grey Walter. 38-year-old brain scientist has built a robot tortoise so "human …