Added 1 month ago | 00:02:56 | 1322 views
Artichoke Juice, Invisible Ink--a Witchcraft Potion? In September 1656, a female spy based in England wrote to her brother, who was living under exile in Antwerp. She feared their letters were being intercepted, broken into and sealed up...
Added 1 month ago | 00:07:18 | 587 views
By her correspondent’s panic reaction at having lost her letter with the formula for “invisable [sic] ink”, one can safely assume that one female spy had recommended a more sophisticated potion, not plain lemon juice, for secret messages...
Added 1 month ago | 00:06:10 | 1529 views
Giambattista della Porta's "Magiae Naturalis" (1558; 1644 ed. Book 16-Chapter IV) and Thomas Lupton’s “A Thousand Notable Things” (1579) give a step by step description how to secrete letters in eggs: "To put a Shedule, or lytle wrytin...
Added almost 4 years ago | 01:16:00 | 5205 views
Computers have altered so many aspects of musician's lives, from digital performance, to electronic composition, to how we acquire and share new music, but only recently have they had the potential to transform how we study and anal...
Added over 7 years ago | 00:22:55 | 30478 views
Khalid UsmanResearch Fest 2008This project utilizes data mining techniques to determine the drivers of stock-out performance. Best performing and worst performing clusters of stores were identified using data clustering techniques. Furt...
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