folk

<n>The Solar Corona</n>, an 1878 illustration by artist and astronomer <n>Étienne Léopold Trouvelot</n>.

Illustration of the 1878 solar eclipse from the book <n>Newcomb and Holden's Astronomy</n>.

<n>Leopard and Deer</n> (1912), a painting by American artist <n>Robert Winthrop Chanler</n>.

<n>Figura Cabalæ</n>, an engraving from <n>Heinrich Khunrath</n>'s alchemical text <n>Amphitheatrum Sapientiae Aeternae</n>, 1609.

The <n>sun-headed deity</n>, a Bronze Age rock carving from the <n>Tamgaly Petroglyphs</n> in Kazakhstan.

<n>Cherub of Jekeskiel</n> by <n>Eliphas Levi</n> from the 1896 edition of The Magical Ritual of the Sanctum Regum.

A diagram of <n>The Cube-Sphere</n> concept by <n>Walter Russell</n>.

Illustration of the moon's phases from <n>The Earth and the Sky</n> (1898) by <n>Edward S. Holden</n>.

<n>Star Worshipers</n>, an 1891 illustration by <n>Frank S. Dobbins</n> from '<n>Story of the World's Worship</n>'.

<n>Encyclopedic medical manuscript</n> from South Germany, c. 1410. From the <n>Library of Congress</n> collection.

X-ray diffraction patterns of synthetic fibers including <n>Velon</n>, <n>Saran</n>, and <n>Vinyon</n>.

Diffraction patterns for natural and synthetic fibers

<n>Fremont style</n> <n>Circle of Friends Pictograph</n> in Utah. Photo by <n>Abbie Matthews</n>.

X-ray fiber diagram of the A-form of DNA from a paper by <n>Rosalind Franklin</n> and <n>R. G. Gosling</n>.

Cover art for music by <n>teenage kitchen</n> and <n>electrowhoreworks</n>.