Miscellaneous
http://apps.amandaghassaei.com/OrigamiSimulator/, an origami simulator developed by Amanda Ghassaei.
https://langorigami.com/, origami made by Robert J. Lang.
https://www.flickr.com/photos/tactom/, Tomohiro Tachi's gallery of origami.
Principles of Research, by Albert Einstein.
Mechanics of Elastic Solids, Brown.
Heroes in my heart (in Chinese), stories of mathematicians, edited by ukim.
https://kenliu.name, Ken Liu's web. Ken is a writer. He has also translated many science fictions in China.
The Kid Should See This, smart videos for curious minds of all age.
My gallery of origami
A socially-distanced walk with Mark Warner in the time of the 2020 Pandemic. Cambridge, UK, 05/29/2020. Photo credit to Daniel Duffy.
With Dick James at CISM, Udine, Italy. July 2019.
