Also, for an engineered computing insertion into the discussion. Sun sticks which later became
more intricate (sun dials) were time measuring devices, or computing machines that
involved wood and a place to insert a stick in the ground. First clear evidence of
markings come from 1500BC (shadow clock, Valley of the Kings). Candle clocks
were in wide use also. Here is some information: note al-Jazari's automaton to
control rate of burning (al-Jazari produced some amazing machines):
http://en.wikipedia.org/wiki/Candle_clock
-p
On Apr 5, 2015, at 9:20 AM, Ken Friedman <ken.friedman.sheji@icloud.com> wrote:
> Friends,
>
> This has been a wonderful thread. So far, the light works have involved high technology. For the Easter season and Passover, here are a couple of primitive light works from 1966.
>
> —
>
> Light Table
>
> Set a wooden table with candles. Place the candles on the table. Stand thin candles in candlesticks and candleholders. Stand thick candles and square candles directly on the table. Anyone who wishes to bring new candles may place them on the table.
>
> Light the candles.
>
> 1966
>
> —
>
> Light Table Variation
>
> Set a wooden table with different kinds of light bulbs, light fixtures, and lamps. Use no lamp shades.
>
> Light the bulbs and lamps.
>
> 1966
>
> --
>
> Ken Friedman
>
> --
>
>
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Paul Fishwick, PhD
Chair, ACM SIGSIM
Distinguished University Chair of Arts & Technology
and Professor of Computer Science
Director, Creative Automata Laboratory
The University of Texas at Dallas
Arts & Technology
800 West Campbell Road, AT10
Richardson, TX 75080-3021
Home: utdallas.edu/atec/fishwick
Lab Blog: creative-automata.com
SIGSIM Blog: modelingforeveryone.com
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