"By me putting all this information out there, what I'm basically telling you is I'm telling you everything." — Hasan Elahi James Duncan Davidson/TED hide caption

itoggle caption James Duncan Davidson/TED

This French mechanical table was intended for Madame de Pompadour. The designs depict her many interests, including gardening, painting, music and architecture. Metropolitan Museum of Art hide caption

itoggle caption Metropolitan Museum of Art

In a program called L'Arte Auita L'Arte (Art Helping Art) Italy's Ministry of Heritage and Culture and Tourism posted works of art in need of restoration on Facebook. The public was asked to vote for the art it felt was most deserving of a fix-up. Ministry of Heritage and Culture and Tourism via Facebook hide caption

itoggle caption Ministry of Heritage and Culture and Tourism via Facebook

Maria Fabrizio's illustration of: "Some Brits Not Ready To Say 'Ta-Ra' To Iconic Telephone Box" Maria Fabrizio hide caption

itoggle caption Maria Fabrizio

Robert Indiana first emerged as a pop artist in the early 1960s, but he was quickly defined by his 1966 signature work, LOVE, shown behind Indiana in this 2013 photo. Lauren Casselberry/AP hide caption

itoggle caption Lauren Casselberry/AP

Rube Goldberg drew many of his devices, like this one for a machine that disposes of cigarette ashes, for his series, "The Inventions of Professor Lucifer G. Butts, A.K," published in Colliers magazine between 1929 and 1931. Copyright Heirs of Rube Goldberg/Abrams ComicArts hide caption

itoggle caption Copyright Heirs of Rube Goldberg/Abrams ComicArts