The <n>LUMISHELL</n> prefabricated cabin, designed by <n>LUMISHELL</n>. Photo by <n>Cyrille Weiner</n>.

Cover for <n>Carl Friedrich Gauss: A Biography</n> by <n>Tord Hall</n>, designed by <n>Muriel Cooper</n> for <n>The MIT Press</n>, 1970.

The <n>Impossible Triangle</n>, a geometric <n>optical illusion</n>.

<n>C / Letter C / Logo Concept</n> by graphic designer <n>Darweesh Scan</n>.

A gelatin silver print titled <n># 981</n> by Japanese artist <n>Masao Yamamoto</n>.

A vintage <n>Macintosh</n> personal computer.

Cover of <n>Impressions Number Three: Man and His Mark</n>, designed by <n>Les Mason</n> in 1972.

Artwork from the <n>Some Planes</n> series by <n>Bill Jacobson</n>, used as cover art by <n>The Illusory Explainer</n>.

The <n>Braun Atelier</n> hi-fi system, designed by <n>Dieter Rams</n> and <n>Peter Hartwein</n> (1980-1990).

The <n>PP Pangaia</n> font by <n>Samuel Salminen</n>. Visual by <n>Sergio Lairisa</n> and <n>Nabill Parvizi</n>.

<n>Computer</n>, a conceptual design by <n>Isabel Martinez</n>.

<n>Fibonacci Sequence Land Art</n> in Mettlach, Germany.

<n>Light Pyramid Sculpture</n>, a 2010 installation by artist <n>Chris Clavio</n>.

<n>Golden Hands</n> by SFX artist <n>Alona Sobolevska</n>.

A graphic for the <n>Mindfulness Challenge</n> by <n>Nohea Wellness</n>.

<n>Cigar in Ashtray</n> (1973), a painting by <n>Wayne Thiebaud</n>.

<n>The Trojan House</n> in Melbourne by <n>Jackson Clements Burrows Architects</n>. Photo by <n>John Gollings</n>.

<n>Olafur Eliasson</n>'s <n>Yellow double hung windows</n> (1999), exhibited at <n>Tanya Bonakdar Gallery</n> in 2004.

Poster for <n>PRCHT 375</n>, a radio broadcast from <n>Parachute</n> on <n>Radio Oloron</n>.

Logo for <n>Westwater Supply</n> designed by <n>Slagle Design</n>.

Logo for the <n>Office of Research and Development, Tamkang University</n>.

A <n>Macintosh SE</n> personal computer with a translucent case.

<n>Ghost Chair</n> by <n>Studio Drift</n>.

<n>Braun PCS 5 (Wood) Turntable</n>, designed by <n>Dieter Rams</n> in 1962.

German <n>Kastenbrust</n>-style <n>Breastplate</n>, ca. 1480-90. Photo by <n>The Metropolitan Museum of Art</n>.