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I'm Justin and 1 run a chain of bookshops specializing in old and rare books. Last year we started an e- _operation. It's been very successful. We have about 4,000 unique
(2)and last month our home page had over 15,000 (3)Visitors use the sire's search (4)to look for book titles or authors. They add items to their
shopping (5)and, when they've finished, they pay (6)using a credit
card. We send the books out by post so we don't have any (7) mile problems like
some companies. Since we started (8)we've had more customers in our
traditional (9)-and-mortar shops. People see our site while they are
(10)the web and that persuades them to come al.
Hits, users, cart, clicks,
Page, engine, bricks, first,
Securely, e-tailing, surfing, last, commerce, procurement
Leonardo. Master Leonardo belonged to the type of the Italian Renaissance artists (Uccello, Ghiberti, and others.), Who believed that the painting technique should be based on scientific principles. This provision has been the basic principle of Leonardo's lifetime. The quest for scientific knowledge of nature made Leonardo attracted to men of science of his time. It was close to such a great scientist as Toscanelli.
Leonardo learned a lot from communicating with the great mathematician Paolo del Abaco. By the math, he had a special respect in general. He believed that "no credibility there in the sciences, where you can not make any of the mathematical sciences, and that has no connection with the math." At the time, many scientists mathematics was a means of escape from the contradictions between the experience and the weakness of science.
Mathematics used them to construct abstract idealistic schemes. Leonardo da Vinci saw in mathematics a powerful tool for analysis and synthesis of the data of experience. Leonardo asserted. "He is fond of practice without science - like a pilot, stepping on a ship without a rudder or compass" And further: "Always practice should be erected on a good theory." At the same time, he argued: "Many would consider itself entitled to reproach me, pointing out that my evidence