The Letter 'X' Stands for the Unknown, the Mysterious, and the Intangible. Why? - Atlas Obscura

From Twitter's rebranding to The X-Files to algebra, this single letter has an uncommon amount ofX factor. A historian of mathematics gets to the root of it.

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What does the letter 'X' mean? Branding experts weigh in

Atlas Obscura: An Explorer's Guide to the World's Hidden Wonders by Joshua Foer

What does the letter 'X' mean? Branding experts weigh in

GROUP EXHIBITIONS – 徐震 Xuzhen ART

Rachel McConnell

PDF) 'A Sextet for Overlapping Soloists' – Polychronic Temporalities in Tykwer's and the Wachowskis' Cloud Atlas

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Albanians - Wikipedia

PDF) From Newgrange to Stonehenge: Monuments to a Bull Cult and Origins of Innovation.

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