Think-a-Dot
id:
think-a-dot-238-1459518
title:
Think-a-Dot
text:
The Think-a-Dot was a mathematical toy invented by Joseph Weisbecker and manufactured by E.S.R., Inc. during the 1960s that demonstrated automata theory. It had eight coloured disks on its front, and three holes on its top – left, right, and center – through which a ball bearing could be dropped. Each disk would display either a yellow or blue face, depending on whether the mechanism behind it was tipped to the right or the left. The Think-a-Dot thus had 28=256 internal states. When the ball fel
brand slug:
wiki
category slug:
encyclopedia
description:
Mathematical toy
original url:
https://en.wikipedia.org/wiki/Think-a-Dot
date created:
date modified:
2022-04-15T22:21:12Z
main entity:
{"identifier":"Q7784433","url":"https://www.wikidata.org/entity/Q7784433"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/a/ad/Think_a_dot_mechanism.svg","width":512,"height":512}
fields total:
13
integrity:
15