How a Light Saber Works
A feasable explanation of how a Star Wars light saber might work, based on
A Simple Solution to Rubik's Cube / De Hongaarse kubus ontward
The simplest way of solving Rubik's Cube, using just 6 operators
(in English and Dutch).
Miscellaneous about Yoko Tsuno
Aantekeningen bij de Nederlandse vertaling van de Yoko Tsuno stripverhalen /
Notes to the Dutch translation of the Yoko Tsuno comics.
Miscellaneous / Dick Grune /
No, I'm not an expert; I just collected them in the 1980s.
... and my name is not Richard ...