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- <?xml version="1.0" encoding="ISO-8859-1"?>
-
- <screensaver name="penrose" _label="Penrose">
-
- <command arg="-root"/>
-
- <number id="delay" type="slider" arg="-delay %"
- _label="Speed" _low-label="Slow" _high-label="Fast"
- low="0" high="20000" default="10000"
- convert="invert"/>
-
- <number id="ncolors" type="slider" arg="-ncolors %"
- _label="Number of Colors" _low-label="Two" _high-label="Many"
- low="1" high="255" default="64"/>
-
- <number id="size" type="spinbutton" arg="-size %"
- _label="Size" low="0" high="100" default="40"/>
-
- <boolean id="ammann" _label="Draw Ammann Lines" arg-set="-ammann"/>
-
- <_description>
- Draws quasiperiodic tilings; think of the implications on modern
- formica technology. Written by Timo Korvola.
-
- In April 1997, Sir Roger Penrose, a British math professor who has
- worked with Stephen Hawking on such topics as relativity, black
- holes, and whether time has a beginning, filed a
- copyright-infringement lawsuit against the Kimberly-Clark
- Corporation, which Penrose said copied a pattern he created (a
- pattern demonstrating that ``a nonrepeating pattern could exist in
- nature'') for its Kleenex quilted toilet paper. Penrose said he
- doesn't like litigation but, ``When it comes to the population of
- Great Britain being invited by a multinational to wipe their bottoms
- on what appears to be the work of a Knight of the Realm, then a last
- stand must be taken.''
-
- As reported by News of the Weird #491, 4-jul-1997.
- </_description>
- </screensaver>
-