Interesting/unique thoughts and projects:

• ChaN homepage. Among other things, he has awesome electronics prototyping style.
• Steven K. Roberts homepage
• Oona Räisänen homepage
• Linas Vepstas homepage
• Paul Nylander homepage
• Kyle Keen homepage
• Fabrice Bellard homepage
• Paul Falstad homepage
• Weston Beecroft homepage

World does not have to be square/rectangular:

• Hexagonal Grids - the math
• Generative hexagon art by John Greene
• Hexagonal city idea test