Only with a pencil, ruler and protractor, without the help of a computer, Venezuelan artist Rafael Araujo creates complex fields of three dimensional space where butterflies come to life and shells rise from mathematical spirals.

A member of the Eton public school O.T.C. (Officers Training Corps) practising shouting out orders during a training session, 20th January 1940. (Photo by Hulton Archive/Getty Images)

A man walks along a corridor at a hotel in Singapore on February 7, 2024. (Photo by Edgar Su/Reuters)

Police officers in action during the eviction of the “Liebig 34” squat, at Friedrichshain district in Berlin, Germany, 09 October 2020. A local court ruled in favor of the eviction of the self-declared “anarcha-queer feminist” house project at Liebig street 34 in June 2020. The house project is considered a stronghold of the left-wing scene in the German capital. (Photo by Filip Singer/EPA/EFE)

Martial Levaillant is a French Artist Who Makes Iron Sculptures With Recycled Objects.

An Army Sikorsky VH-34s Choctaw helicopter once used to transport President Dwight D. Eisenhower sits in a field at the 309th Aerospace Maintenance and Regeneration Group boneyard Thursday, May 14, 2015 at Davis-Monthan Air Force Base in Tucson, Ariz. President Eisenhower became the first chief executive to be transported by helicopter. Presidents Eisenhower and John F. Kennedy were transported in VH-34 helicopters and VH-34's served as “Army One” from 1958 through 1963. (Photo by Matt York/AP Photo)

Geof Kern is an internationally renown photographer based in Dallas. He stands among the most awarded American photographers.

Crocoite is a mineral consisting of lead chromate, and crystallizing in the monoclinic crystal system. It is identical in composition with the artificial product chrome yellow used as a paint pigment.