SOME ARTICLES
On the pinwheel tilings:
Encyclopaedia Britannica
New Scientist (Scanned version
here)
(London) Sunday Telegraph (Scanned version
here)
Wikipedia
On sphere packing:
New Scientist (Scanned version
here)
On solidity in matter:
Wired.com,
Quanta Magazine
and
Phys.org
College of Natural Science and
Daily Texan (on sand experiment)
On crumpled matter:
Journal of Physics A: Insight
SOME APPLICATIONS