Peretz Lavie, President of Israel’s Technion, has presented the world’s smallest Bible to the Smithsonian National Museum of American History. Technion scientists engraved the Nano Bible’s 1.2 million letters on a gold-plated silicon chip the size of a sugar grain.

http://smithsonianscience.si.edu/2015/10/nano-bible-donated-to-smithsonian-libraries/