<_description>
A Simulation a Lava Lite(r). Odd-shaped blobs of a mysterious
substance are heated, slowly rise to the top of the bottle, and then
drop back down as they cool. This simulation requires a fairly fast
machine (both CPU and 3D performance.)
"LAVA LITE(r) and the configuration of the LAVA(r) brand motion lamp are
registered trademarks of Haggerty Enterprises, Inc. The configuration
of the globe and base of the motion lamp are registered trademarks of
Haggerty Enterprises, Inc. in the U.S.A. and in other countries around
the world."
https://en.wikipedia.org/wiki/Lava_lamp
https://en.wikipedia.org/wiki/Metaballs
https://en.wikipedia.org/wiki/Lavarand
Written by Jamie Zawinski; 2002.