Linkage

More actual posts from the last couple of weeks means fewer links.

• Squircle illusion: now 3d printing can make things round and square at the same time (G+)

• The latest wonders of mathematical art from Bridges 2016

• CCCG accepted papers (or now there's an actual schedule)

• Low faculty uptake of the University of California's all-subjects open access repository (G+, many good comments)

• 20-minute nontechnical video documentary about recent hacking culture

• How can you divide a square into finitely many similar acute triangles?

• No article can be judged on the basis of the Impact Factor of the journal in which it is published (G+)

• Uniformly-spaced point sets in nature (see also Wikipedia on Delone sets; G+)

• A trickier variant of the 4 4's puzzle (G+, with spoilers in the comments)

• Researchers keeping a low online profile in the face of persistent harassment of anyone who criticizes misogyny in computer gaming