hat tip treehugger.com
Frederike Top’s geometric lights and constructions
Calvin Siebert’s sand castles
hat tip CBS Evening News (!)
2500 year old earthquake proofing
Generative art by Hyperglu
The geometry of plant forms - fractals, Fibonacci series, and the sacrament of geometry
hat tip Marjorie Farrell
What’s a humbug?
Portable teahouse made from folded paper - I wonder what Rikyu, the great tea master, would have thought. He once built a teahouse out of gold for and with the Shogun.
Star - lighting installation
More from Planetary Folklore
Gabriel Schama - laser cut wood designs and more
Babylonian trig table