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People have always wanted to communicate privately. There once was a time when regular ink was secret enough, because not much of the world knew how to read. Then literacy ruined it for everyone, and drastic steps had to be taken. Enter invisible ink, the way to keep what was written secret, sometimes by unsavory means. Here how invisible ink was invented, and all the forms it has taken right up into the present day. Photo of invisible ink letter via Letters of Note The first invisible ink in recorded history was made by Pliny the Elder. He was a Roman general, author, and scientist who was perhaps most famous for saying Fortune favors the brave ; directly before proving himself wrong by sailing to Mount Vesuvius as stanley cup (https://www.cups-stanley.ca) it was erupting and subse stanley cup spain (https://www.stanley-cups.es) quently dying of smoke inhalation. His more cautious endeavors proved more fruitful. He let people know that the milk from the thithymallus plant could be used to make marks on paper which were invisible to the eye, but which could subsequently be treated to show legible inscriptions. The fact that he was a military man in his time was not a coincidence. Most invisible stanley mug (https://www.stanley-cups.uk) ink advances seem to have come during times of war, when secrecy was most crucial to all sides. There are generally three kinds of invisible ink: those developed by heat, those developed by light, and those developed by chemical reactions. Surprisingly, the ones developed by chemical reaction were among the first to be used to a widespread degree. The Tsha This SoCal Water Treatment Plant Is Powered by Poop
This American Life had an amazing story this past weekend about patent trolls. It was pegged to Intellectual Ventures, and various others who litigate rather than innovate. But the real patent trolls are being traded on th stanley mugs (https://www.stanley-quencher.us) e NYSE. As This American stanley cup (https://www.stanley-cups.fr) Life reports, from 2004 to 2009 patent infringement lawsuits rose 70 percent while licensing fee requests went up by 650 percent. The system is broken. And it got to be fixed before it kills everyone in the business of making something new. To make that happen, we need to get the big players in the patent system on board. Sadly, right now they ;re part of the problem. Software patents are often flim-flam, won almost by lottery, that benefit no one other than lawyers and shakedown artists. Take Lodsys, for example, the company hammering iOS developers over patent number 7,222,078. Here 821 stanley cups (https://www.stanley-cup.com.de) 7 its abstract: https://gizmodo/patent-firm-attacks-apples-heart-developers-5801675 In an exemplary system, information is received at a central location from different units of a commodity. The information is generated from two-way local interactions between users of the different units of the commodity and a user interface in the different units of the commodity. The interactions elicit from respective users their perceptions of the commodity. It utterly ridiculous. There is nothing non-obvious or novel about the patent it is seeking to enforce. Anyone who finds it innovative is naive, intellectually dishon