TinyURL is a URL shortening service, a web service that provides short aliases for redirection of long URLs. Kevin Gilbertson, a web developer, launched the service in January 2002 so that he would be able to link directly to newsgroup postings that frequently had long and cumbersome addresses.or each URL entered, the server adds a new alias in its hashed database and returns a short URL such as http://tinyurl.com/2unsh in the following page. If the URL has already been requested, TinyURL will return the existing alias rather than create a duplicate entry. The short URL forwards users to the long URL.
Read on; the answers are at the end of the column. Among Thomas Jefferson s inventions were such devices as a macaroni machine that he invented in 1787, the swivel chair, the spherical sundial, the moldboard plow and the cipher wheel, which was an ingenious way to allow people to code and decode messages.
A video about Franklinâs top 5 inventions including the bifocal. Did Others Invent Bifocals Before Franklin? The idea of a split-lens had been suggested by Zahn in 1683 and, by Hertel in 1716. This was well before Franklin was thought to have invented them in the mid to late 1770s. However, there is no indication that the Zahn and Hertel lenses served the same purpose as the modern Bifocal.