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Codex Hammer
__NOTOC__ The Codex Leicester (also briefly known as the Codex Hammer) is a collection of scientific writings by Leonardo da Vinci. The Codex is named after Thomas Coke, who purchased it in 1717; he later became the Earl of Leicester. The manuscript currently holds the record for the fifth highest sale price of any book: it was sold to Bill Gates at Christie's auction house on 11 November 1994 in New York for (). The Codex provides an insight into the inquiring mind of the definitive Renaissance artist, scientist and thinker, as well as an exceptional illustration of the link between art and science and the creativity of the scientific process. Overview The notebook is leather-bound and consists of 36 sheets 29 × 22 cm in size. The manuscript does not take the form of a single linear script, but is rather a mixture of Leonardo's observations and theories on astronomy; the properties of water, rocks, and fossils; air, and celestial light. The topics addressed include: * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leonardo Da Vinci
Leonardo di ser Piero da Vinci (15 April 14522 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, Drawing, draughtsman, engineer, scientist, theorist, sculptor, and architect. While his fame initially rested on his achievements as a painter, he also became known for #Journals and notes, his notebooks, in which he made drawings and notes on a variety of subjects, including anatomy, astronomy, botany, cartography, painting, and paleontology. Leonardo is widely regarded to have been a genius who epitomized the Renaissance humanism, Renaissance humanist ideal, and his List of works by Leonardo da Vinci, collective works comprise a contribution to later generations of artists matched only by that of his younger contemporary, Michelangelo. Born Legitimacy (family law), out of wedlock to a successful Civil law notary, notary and a lower-class woman in, or near, Vinci, Tuscany, Vinci, he was educated in Florence by the Italian painter and sculptor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plate Tectonics
Plate tectonics (from the la, label=Late Latin, tectonicus, from the grc, τεκτονικός, lit=pertaining to building) is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large tectonic plates which have been slowly moving since about 3.4 billion years ago. The model builds on the concept of ''continental drift'', an idea developed during the first decades of the 20th century. Plate tectonics came to be generally accepted by geoscientists after seafloor spreading was validated in the mid to late 1960s. Earth's lithosphere, which is the rigid outermost shell of the planet (the crust and upper mantle), is broken into seven or eight major plates (depending on how they are defined) and many minor plates or "platelets". Where the plates meet, their relative motion determines the type of plate boundary: '' convergent'', '' divergent'', or ''transform''. Earthquakes, volcanic activity, mountain-building, and oceanic tr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Windows ME
Windows Millennium Edition, or Windows Me (marketed with the pronunciation of the pronoun "me"), is an operating system developed by Microsoft as part of its Windows 9x family of Microsoft Windows operating systems. It is the successor to Windows 98, and was released to manufacturing on June 19, 2000, and then to retail on September 14, 2000. It was Microsoft's main operating system for home users until the introduction of its successor Windows XP in October 2001. Windows Me was targeted specifically at home PC users, and included Internet Explorer 5.5 (later default was Internet Explorer 6), Windows Media Player 7 (later default was Windows Media Player 9 Series) and the new Windows Movie Maker software, which provided basic video editing and was designed to be easy to use for consumers. Microsoft also incorporated features first introduced in Windows 2000, which had been released as a business-oriented operating system seven months earlier, into the graphical user interface, s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Windows 98
Windows 98 is a consumer-oriented operating system developed by Microsoft as part of its Windows 9x family of Microsoft Windows operating systems. The second operating system in the 9x line, it is the successor to Windows 95, and was released to manufacturing on May 15, 1998, and generally to retail on June 25, 1998. Like its predecessor, it is a hybrid 16-bit and 32-bit monolithic product with the boot stage based on MS-DOS. Windows 98 is a web-integrated operating system that bears numerous similarities to its predecessor. Most of its improvements were cosmetic or designed to improve the user experience, but there were also a handful of features introduced to enhance system functionality and capabilities, including improved USB support and accessibility, as well as support for hardware advancements such as DVD players. Windows 98 was the first edition of Windows to adopt the Windows Driver Model, and introduced features that would become standard in future generations of Wind ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Microsoft Plus
Microsoft Plus! is a discontinued commercial operating system enhancement product by Microsoft. The last edition is the Plus! SuperPack, which includes an assortment of screensavers, themes, and games, as well as multimedia applications. The Microsoft Plus! product was first announced on January 31, 1994, under the internal codename "Frosting". The first edition was an enhancement for Windows 95, Windows 95 Plus! The enhancements that make up Microsoft Plus! were generally developed by Microsoft itself. The Plus! packs also included games and content from third-party companies; for example, in Plus! for Windows XP, the '' HyperBowl'' game developed by HyperEntertainment Inc. was included. Plus! features that enhance the base operating system or provide utility are generally included free of charge in the next release of Windows. Microsoft Plus! was discontinued in favor of Windows Ultimate Extras in Windows Vista. Versions Microsoft Plus! for Windows 95 This was the fir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CD-ROM
A CD-ROM (, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains data. Computers can read—but not write or erase—CD-ROMs. Some CDs, called enhanced CDs, hold both computer data and audio with the latter capable of being played on a CD player, while data (such as software or digital video) is only usable on a computer (such as ISO 9660 format PC CD-ROMs). During the 1990s and early 2000s, CD-ROMs were popularly used to distribute software and data for computers and fifth generation video game consoles. DVD started to replace it in these roles starting in the early 2000s. History The earliest theoretical work on optical disc storage was done by independent researchers in the United States including David Paul Gregg (1958) and James Russel (1965–1975). In particular, Gregg's patents were used as the basis of the LaserDisc specification that was co-developed between MCA and Philips after MCA purchased ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Wallpaper
Wallpaper is a material used in interior decoration to decorate the interior walls of domestic and public buildings. It is usually sold in rolls and is applied onto a wall using wallpaper paste. Wallpapers can come plain as "lining paper" (so that it can be painted or used to help cover uneven surfaces and minor wall defects thus giving a better surface), textured (such as Anaglypta), with a regular repeating pattern design, or, much less commonly today, with a single non-repeating large design carried over a set of sheets. The smallest rectangle that can be tiled to form the whole pattern is known as the pattern repeat. Wallpaper printing techniques include surface printing, gravure printing, silk screen-printing, rotary printing, and digital printing. Wallpaper is made in long rolls which are hung vertically on a wall. Patterned wallpapers are designed so that the pattern "repeats", and thus pieces cut from the same roll can be hung next to each other so as to continue the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Screen Saver
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Screen Savers or screensaver or ''variation'', may refer to: * Screensaver, computer programs intended to preserve CRT monitors from "burn-in" ** GNOME ''Screensaver'', GNOME Project's screen blanking tool ** Google Pack ''Screensaver'', a terminal inactivity screen photo displayer included in the ''Google Pack'' * ''The Screen Savers'', a technology-oriented television program that aired on TechTV and later G4 See also * XScreenSaver, X/Windows screensaver collection * Flying toaster screensaver * ''The New Screen Savers'', technology webcast on TWIT.tv * Screenslaver, a character from Disney/Pixar film ''The Incredibles 2'' * Screen (other) * Saver (other) Saver or savers may refer to: * ''Saver'' (manhwa), a Korean manhwa by Eun-Young Lee *''The Saver'', 2015 Canadian drama film, written and directed by Wiebke von Carolsfeld * Saver return, a type of train ticket in the United Kingdom *Kaman KSA-10 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carlo Pedretti
Carlo Pedretti (6 January 1928 – 5 January 2018) was an Italian historian. In his lifetime, he was considered one of the world's leading experts on the life and works of Leonardo da Vinci. He was a professor of art history and Armand Hammer Chair in Leonardo Studies at the University of California, Los Angeles from 1960 until his retirement in 1993. Life Carlo Pedretti was born in Bologna. By his 13th birthday Pedretti had taught himself to write left handed and read backwards as did Leonardo. Pedretti's first articles about Leonardo were published in 1944 at the age of 16. From 1960 until his retirement in 1993, Pedretti was a professor of art history and Armand Hammer Chair in Leonardo Studies at the University of California, Los Angeles. He was instrumental in animating the Elmer Belt Library of Vinciana. He was the author of more than 60 books and 500 essays and articles in various languages. He moved to Italy in 2013 to live in the Villa di Castel Vitoni in Lamporec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Armand Hammer
Armand Hammer (May 21, 1898 – December 10, 1990) was an American business manager and owner, most closely associated with Occidental Petroleum, a company he ran from 1957 until his death. Called "Lenin's chosen capitalist" by the press, he was also known for his art collection and his close ties to the Soviet Union. Hammer's business interests around the world and his " citizen diplomacy" helped him cultivate a wide network of friends and associates. Early life Armand Hammer was born in New York City to Jewish parents who emigrated from what was then the Russian Empire: Rose (née Lipschitz) and Julius Hammer. His father came to the United States from Odessa (now Ukraine) in 1875 and settled in the Bronx, where he ran a general medical practice and five drugstores. After the Russian Revolution, a part of the Socialist Labor Party of America (SLP) under Julius' leadership split off to become a founding element of the Communist Party USA which supported Vladimir Lenin an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mirror Writing
Mirror writing is formed by writing in the direction that is the reverse of the natural way for a given language, such that the result is the mirror image of normal writing: it appears normal when it is reflected in a mirror. It is sometimes used as an extremely primitive form of cipher. A common modern usage of mirror writing can be found on the front of ambulances, where the word "AMBULANCE" is often written in very large mirrored text, so that drivers see the word the right way around in their rear-view mirror. Some people are able to produce handwritten mirrored text. Notably, Leonardo da Vinci wrote most of his personal notes in this way. Mirror writing calligraphy was popular in the Ottoman Empire, where it often carried mystical associations. Ability to write mirrored text An informal Australian newspaper experiment identified 10 true mirror-writers in a readership of 65,000. A higher proportion of left-handed people are better mirror writers than right-handed people, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johannes Kepler
Johannes Kepler (; ; 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, astrologer, natural philosopher and writer on music. He is a key figure in the 17th-century Scientific Revolution, best known for his laws of planetary motion, and his books ''Astronomia nova'', ''Harmonice Mundi'', and ''Epitome Astronomiae Copernicanae''. These works also provided one of the foundations for Newton's theory of universal gravitation. Kepler was a mathematics teacher at a seminary school in Graz, where he became an associate of Prince Hans Ulrich von Eggenberg. Later he became an assistant to the astronomer Tycho Brahe in Prague, and eventually the imperial mathematician to Emperor Rudolf II and his two successors Matthias and Ferdinand II. He also taught mathematics in Linz, and was an adviser to General Wallenstein. Additionally, he did fundamental work in the field of optics, invented an improved version of the refracting (or Keplerian) telescope, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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