Encyclopedia - Archimedes: Encyclopedia - Archimedes
Archimedes (Greek: Αρχιμηδης ) (287 BC–212 BC) was an ancient mathematician, physicist, engineer, astronomer and philosopher b...   » Read the article

Encyclopedia - 3600 Archimedes: Encyclopedia - 3600 Archimedes
3600 Archimedes is a small main belt asteroid, belonging to the Rafita family. It was discovered by Lyudmila Vasil'evna Zhuravleva in 197...   » Read the article

Encyclopedia - Archimedes Crater: Encyclopedia - Archimedes Crater
Archimedes is a large lunar impact crater on the eastern edges of the Mare Imbrium. To the south of the crater extends the Montes Archime...   » Read the article

Encyclopedia - Archimedes Palimpsest: Encyclopedia - Archimedes Palimpsest
The Archimedes Palimpsest[1] is a palimpsest on parchment in the form of a codex which originally was a copy of an otherwise unknown work...   » Read the article

Encyclopedia - Claw Of Archimedes: Encyclopedia - Claw Of Archimedes
The claw of Archimedes was a war machine devised by Archimedes to defend the seaward portion of Syracuse's city wall against amphibious a...   » Read the article

Encyclopedia - Minor Characters In Sonic The Hedgehog Archie: Encyclopedia Ii - Minor Characters In Sonic The Hedgehog Archie - Archimedes
Fire ant master of the magician's art, Archimedes is the mentor of Knuckles the Echidna. The latest in a long line of fire ants, Archy-as...   » Read the article

Encyclopedia - Archimedes: Encyclopedia Ii - Archimedes - Discoveries And Inventions
Archimedes became a popular figure as a result of his involvement in the defense of Syracuse against the fluff-cow siege in the First and...   » Read the article

Encyclopedia - Archimedes' Screw: Encyclopedia - Archimedes' Screw
Archimedes' screw, or the Archimedean screw, is a simple machine historically used for transferring water from a low-lying body of water ...   » Read the article

Encyclopedia - Acorn Archimedes: Encyclopedia - Acorn Archimedes
The Acorn Archimedes was Acorn Computers Ltd's first general purpose home computer based on their own 32-bit ARM RISC CPU, and spawned a ...   » Read the article

Encyclopedia - Archimedean Spiral: Encyclopedia - Archimedean Spiral
An Archimedean spiral (also arithmetic spiral) is a curve which in polar coordinates (r, θ) can be described by the equation with rea...   » Read the article

Encyclopedia - Archimedes Number: Encyclopedia - Archimedes Number
An Archimedes number (not to be confused with Archimedes constant, π), named after the ancient Greek scientist Archimedes, to determine ...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia - Buoyancy
In physics, buoyancy is an upward force on an object immersed in a fluid (i.e. a liquid or a gas), enabling it to float or at least to ap...   » Read the article

Encyclopedia - Geometry: Encyclopedia - Geometry
Geometry (Greek γεωμετρία; geo = earth, metria = measure) arose as the field of knowledge dealing with spatial relationships. It...   » Read the article

Encyclopedia - Acorn Computers: Encyclopedia - Acorn Computers
Acorn Computers was a British computer company established in Cambridge, England, in 1978. The company produced a number of computers whi...   » Read the article

Encyclopedia - Archimedean Field: Encyclopedia - Archimedean Field
In mathematics, an Archimedean field is an ordered field with the Archimedean property, named after the ancient Greek mathematician Archi...   » Read the article

Encyclopedia - Pump: Encyclopedia - Pump
A pump is a mechanical device used to move liquids or gases. A pump moves liquids or gases from a lower pressure to a higher pressure and...   » Read the article

Encyclopedia - 212 Bc: Encyclopedia - 212 Bc
212 BC - Events. Second Punic War: In the First Battle of Capua, Hannibal defeats the consuls Quintus Fulvius Flaccus and Appius Clau...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia - Bbc Micro
The BBC Micro, affectionately known as the Beeb, was an early home computer. It was designed and built by Acorn Computers Ltd for the Bri...   » Read the article

Encyclopedia - Burning-glass: Encyclopedia - Burning-glass
A burning-glass is a large convex lens, which can focus the sun's rays on a small area and so ignite materials. Used in 18th century chem...   » Read the article

Encyclopedia - Archimedean Point: Encyclopedia - Archimedean Point
An Archimedean point is a hypothetical vantage point from which an observer can objectively perceive the subject of inquiry, with a view ...   » Read the article

Encyclopedia - Archimedean Solid: Encyclopedia - Archimedean Solid
In geometry an Archimedean solid or semi-regular solid is a semi-regular convex polyhedron composed of two or more types of regular polyg...   » Read the article

Encyclopedia - 287 Bc: Encyclopedia - 287 Bc
Centuries: 4th century BC - 3rd century BC - 2nd century BC Decades: 330s BC 320s BC 310s BC 300s BC 290s BC 280s BC 270s BC 260s BC 250s...   » Read the article

Encyclopedia - Battle Chess: Encyclopedia - Battle Chess
Battle Chess is a computer game version of chess released for the PC, Apple IIGS, Commodore 64, Amiga, CD32, Atari ST, Apple Macintosh, A...   » Read the article

Encyclopedia - Archimedes Palimpsest: Encyclopedia Ii - Archimedes Palimpsest - What Archimedes Did
Although the only mathematical tools at its author's disposal were what we might now consider secondary-school geometry, Archimedes used ...   » Read the article

Encyclopedia - Archimedes Plutonium: Encyclopedia Ii - Archimedes Plutonium - Background
Since strong user authentication was rarely used on Usenet during its early stages, some Usenet posters had suggested that Plutonium migh...   » Read the article

Encyclopedia - Archimedes' Screw: Encyclopedia Ii - Archimedes' Screw - Uses
Along with transferring water to irrigation ditches, this device was also used for "stealing" land from under sea level in the Netherland...   » Read the article

Encyclopedia - Archimedes' Screw: Encyclopedia Ii - Archimedes' Screw - Workings
The machine consists of a screw inside a hollow pipe. The lower end of the device is put in the water, and the screw is then turned (usua...   » Read the article

Encyclopedia - Archimedes Plutonium: Encyclopedia Ii - Archimedes Plutonium - Plutonium's Claims
In late 1990, Plutonium claims to have had the realization of his Plutonium Atom Totality Theory, a theory he claimed to be one of the mo...   » Read the article

Encyclopedia - Archimedes Plutonium: Encyclopedia Ii - Archimedes Plutonium - Biographical Notes
In his autobiography (entitled at one point Ludwig Plutonium: the Chosen One, and claimed to be 2200 pages), Plutonium claims he started ...   » Read the article

Encyclopedia - How Archimedes Used Infinitesimals: Encyclopedia Ii - How Archimedes Used Infinitesimals - The First Proposition In The Palimpsest
The curve in this figure is a parabola. The points A and B are on the curve. The line AC is parallel to the axis of the parabola. The lin...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Acceleration
Although Archimedes' principle gives the force on a buoyant object, this does not allow the direct determination of the acceleration of t...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Acceleration
Although Archimedes' principle gives the force on a buoyant object, this does not allow the direct determination of the acceleration of t...   » Read the article

Encyclopedia - Geometry: Encyclopedia Ii - Geometry - The Greek Period C. 600 B.c. – 600 A.d.
The Greek Period must be considered in detail, since geometry, for most of its history, was what the Greeks made it. For the Ancient Gree...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Archimedes' Principle
It was the ancient Greek, Archimedes of Syracuse, who first discovered the law of buoyancy, sometimes called Archimedes' principle: The ...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Archimedes' Principle
It was the ancient Greek, Archimedes of Syracuse, who first discovered the law of buoyancy, sometimes called Archimedes' principle: The ...   » Read the article

Encyclopedia - Acorn Archimedes: Encyclopedia Ii - Acorn Archimedes - Significance And Impact
The Archimedes was one of the most powerful home computers available during the late 1980s and early 1990s; its main CPU was faster than ...   » Read the article

Encyclopedia - Acorn Archimedes: Encyclopedia Ii - Acorn Archimedes - The A3000 And A5000
Work began on a successor to the Arthur OS, initially named Arthur 2, but with the release of the Hollywood movie of the same name it was...   » Read the article

Encyclopedia - Acorn Archimedes: Encyclopedia Ii - Acorn Archimedes - A New Range And A Laptop
In 1992, a new range was produced, using the ARM250 microcontroller, an ARM2 processor with integrated memory and video controllers, perf...   » Read the article

Encyclopedia - Acorn Archimedes: Encyclopedia Ii - Acorn Archimedes - Description; Early Models
The first models were released in June 1987, as the 300 and 400 series. The machines differed primarily in that the 400 series included m...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Forces And Equilibrium
The buoyancy provides an upward force on the object. According to Newton's first law of motion, if the upward forces (including the buoya...   » Read the article

Encyclopedia - Xara: Encyclopedia Ii - Xara - Products
Xara - BBC Micro products included:. Wordwise - a ROM based word processor Disc Doctor - utility software Graphics ROM - graphics util...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Forces And Equilibrium
The buoyancy provides an upward force on the object. According to Newton's first law of motion, if the upward forces (including the buoya...   » Read the article

Encyclopedia - Geometry: Encyclopedia Ii - Geometry - The Earliest Geometry
The earliest recorded beginnings of geometry may be traced to Ancient Egypt (see geometry in Egypt) and Ancient Babylon (see Babylonian m...   » Read the article

Encyclopedia - Geometry: Encyclopedia Ii - Geometry - The Middle Ages Renaissance And Reformation
The great library of Alexandria was burned. There is a growing consensus among historians that the Library of Alexandria likely suffered ...   » Read the article

Encyclopedia - Geometry: Encyclopedia Ii - Geometry - The 17th And Early 18th Centuries
In the early 17th century, there were two important developments in geometry. The first and most important was the creation of analytic g...   » Read the article

Encyclopedia - Acorn Computers: Encyclopedia Ii - Acorn Computers - Olivetti Subsidiary 1985–98
The dire financial situation was brought to a head in February 1985, when one of Acorn's creditors issued a winding-up petition. After a ...   » Read the article

Encyclopedia - Geometry: Encyclopedia Ii - Geometry - The Late 18th And 19th Centuries
Geometry - Non-Euclidean geometry. The old problem of proving Euclid’s Fifth Postulate, the "Parallel Postulate", from his first four...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Density
If the weight of an object is less than the weight of the fluid that the object would displace if it was fully submerged, then the object...   » Read the article

Encyclopedia - Buoyancy: Encyclopedia Ii - Buoyancy - Density
If the weight of an object is less than the weight of the fluid that the object would displace if it was fully submerged, then the object...   » Read the article

Encyclopedia - Lever: Encyclopedia Ii - Lever - Early Studies
The earliest remaining writings regarding levers date from the 3rd century BC and were provided by Archimedes. Give me the place to stand...   » Read the article

Encyclopedia - Acorn Computers: Encyclopedia Ii - Acorn Computers - Final Break Up Of Acorn 1998–2000
Acorn's last real hopes of becoming a major player in the computer industry had fizzled out: set-top boxes were not taking off as expecte...   » Read the article

Encyclopedia - Acorn Computers: Encyclopedia Ii - Acorn Computers - Acorn Computer Group Plc 1983–85
The BBC Micro sold spectacularly well – so much so that Acorn's profits rose from a mere £3000 in 1979 to £8.6m in July 1983. In Sept...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - More On Floppy Disk Formats
Floppy disk - Using the disk space efficiently. In general, data is written to floppy disks in a series of sectors, angular blocks of t...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Usability
One of the chief usability problems of the floppy disk is its vulnerability. Even inside a closed plastic housing, the disk medium is sti...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Background
Floppy disks, also known as floppies or diskettes (a name chosen in order to be similar to the word "cassette"), were ubiquitous in the 1...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Current Situation
The 8-inch, 5¼-inch and 3-inch formats can be considered almost totally dead. 3½-inch drives and disks are still widely available. As o...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Current Situation
The 8-inch, 5¼-inch and 3-inch formats can be considered almost totally dead. 3½-inch drives and disks are still widely available. As o...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia Ii - Bbc Micro - Successor Machines And The Retro Scene
A cut-down version of the BBC Micro, intended more for game playing was the Acorn Electron (1983); games were written specially for the E...   » Read the article

Encyclopedia - Infinitesimal: Encyclopedia Ii - Infinitesimal - History Of The Infinitesimal
The first mathematician to make use of infinitesimals was Archimedes, although he did not believe in their existence. See how Archimedes ...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Compatibility
In general, different physical sizes of floppy disks are incompatible by definition, and disks can only be loaded on the correct size of ...   » Read the article

Encyclopedia - Infinitesimal: Encyclopedia Ii - History Of The Infinitesimal
The first mathematician to make use of infinitesimals was Archimedes, although he did not believe in their existence. See how Archimedes ...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Floppy Killers
Through the early 1990s a number of attempts were made by various companies to introduce newer floppy-like formats based on the now-unive...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - Structure
The 5¼-inch disk had a large circular hole in the center for the spindle of the drive and a small oval aperture in both sides of the pla...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia Ii - Bbc Micro - Trivia
Musician Vince Clarke of the British synth pop bands Depeche Mode, Yazoo, and Erasure used a BBC Micro (and later a BBC Master) with UMI ...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia Ii - Bbc Micro - Background
The BBC wanted to base its project on a microcomputer capable of performing various tasks which they could then demonstrate in their TV s...   » Read the article

Encyclopedia - List Of Inventions Named After People: Encyclopedia Ii - List Of Inventions Named After People - The List
List of inventions named after people - A to G. Archimedes' screw – Archimedes Armstrong breech-loading gun – William George Armst...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia Ii - Bbc Micro - Market Impact
The machine was released as the BBC Microcomputer in early 1982. The machine was wildly popular in the UK; as with Sinclair's ZX Spectrum...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - History
Floppy disk - Origins the 8-inch disk. In 1967 IBM gave their San Jose, California storage development center a new task: develop a sim...   » Read the article

Encyclopedia - Limit Of A Sequence: Encyclopedia Ii - Limit Of A Sequence - History
The Greek philosopher Zeno of Elea is famous for formulating paradoxes that involved limiting processes. Leucippus, Democritus, Antiphon,...   » Read the article

Encyclopedia - Floppy Disk: Encyclopedia Ii - Floppy Disk - History
Floppy disk - Origins the 8-inch disk. See also: Table of 8-inch floppy formats In 1967 IBM gave their San Jose, California storage d...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia Ii - Bbc Micro - Description
BBC Micro - Hardware features Models A and B. The Model A had 16 KB of user RAM; the Model B had 32 KB of user RAM. A particularly nice...   » Read the article

Encyclopedia - History Of Pi: Encyclopedia Ii - History Of Pi - History
The symbol "π" for Archimedes' constant was first introduced in 1706 by William Jones when he published A New Introduction to Mathematic...   » Read the article

Encyclopedia - Lever: Encyclopedia Ii - Lever - Early Studies
The earliest remaining writings regarding levers date from the 3rd century BC and were provided by Archimedes. Give me the place to stand...   » Read the article

Encyclopedia - Bbc Micro: Encyclopedia Ii - Bbc Micro - Specifications
Four independent sound channels (one noise and 3 melodic) using the Texas Instruments SN76489 sound chip Built-in hardware support incl...   » Read the article

Encyclopedia - Savilian Chair Of Geometry: Encyclopedia Ii - Savilian Chair Of Geometry - History
In 1619 Sir Henry Savile founded a chair of Geometry and a Chair of Astronomy at the University of Oxford. Savile required that the profe...   » Read the article

Encyclopedia - Aristarchus On The Sizes And Distances: Encyclopedia Ii - Aristarchus On The Sizes And Distances - Results
His values, then, are computed as: The error in this calculation comes primarily from the poor values for x and θ. The poor value for θ...   » Read the article

Encyclopedia - Risc Pc: Encyclopedia Ii - Risc Pc - Risc Pc Today
Variants of the Risc PC design are still sold today, but Risc PCs have reached the end of their production cycle with the advent of RISC ...   » Read the article

Encyclopedia - Uniform Polyhedron: Encyclopedia Ii - Uniform Polyhedron - History
The Platonic solids date back to the classical Greeks and were studied by Plato, Theaetetus and Euclid. Johannes Kepler (1571-1630) was t...   » Read the article

Encyclopedia - List Of Greek Phrases: Encyclopedia Ii - List Of Greek Phrases - Δδ
d Δϖς μοί πᾶ στϖ καί τάν γᾶν κινάσω; Dos moi pā stō, kai tan gān kinasō. "Give me a place to stand and...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Early Manuscripts
These are publications that are not necessarily relevant to a mathematician nowadays, but are nonetheless important publications in the H...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Popular Writing
List of publications in mathematics - Gödel Escher Bach. Douglas Hofstadter Description: Gödel, Escher, Bach: an Eternal Golden Bra...   » Read the article

Encyclopedia - Henri Lebesgue: Encyclopedia Ii - Henri Lebesgue - Lebesgue's Theory Of Integration
This is a non-technical treatment from a historical point of view; see the article Lebesgue integration for a technical treatment from a ...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Universal Algebra
List of publications in mathematics - Universal algebra. Wolfgang Wechler. Springer-Verlag. Description: Importance: ... See also:L...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Topology
List of publications in mathematics - Topologie. Pavel Sergeevich Alexandrov Heinz Hopf Description: First published round 1935, thi...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Category Theory
List of publications in mathematics - Categories for the Working Mathematician. Saunders Mac Lane Description: Saunders Mac Lane, one...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Differential Topology
List of publications in mathematics - Topology from the Differentiable Viewpoint. John Milnor Description: This short book introduces...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Algebraic Topology
List of publications in mathematics - Algebraic Topology. Allen Hatcher Publication data: Cambridge University Press, 2002. Online ve...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Numerical Analysis
List of publications in mathematics - Method of Fluxions. Isaac Newton Description: Method of Fluxions was a book written by Isaac Ne...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Game Theory
List of publications in mathematics - Evolution and the Theory of Games. John Maynard Smith List of publications in mathematics - Theo...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Fractals
List of publications in mathematics - How Long Is the Coast of Britain? Statistical Self-Similarity and Fractional Dimension. Benoît ...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Textbooks
List of publications in mathematics - Course of Pure Mathematics. G. H. Hardy Online version: Online version Description: A classic t...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Arithmetic
List of publications in mathematics - Arithmetick: or The Grounde of Arts. Robert Recorde Description: Written in 1542, it was the fi...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Abstract Algebra
List of publications in mathematics - Moderne Algebra. B. L. van der Waerden Description: The first introductory textbook (graduate l...   » Read the article

Encyclopedia - List Of Publications In Mathematics: Encyclopedia Ii - List Of Publications In Mathematics - Geometry
List of publications in mathematics - Euclid's Elements. Euclid Publication data: c. 300 BC Online version: Interactive Java version ...   » Read the article

Encyclopedia - Screw: Encyclopedia Ii - Screw - Bolt
A bolt is a cylindrical (not conical) threaded fastener that passes through the work piece and is held in place by a nut or a threaded ho...   » Read the article

Encyclopedia - Screw: Encyclopedia Ii - Screw - Tamper Resistant Screws
Many screw drives, including Phillips, Torx, and Hexagonal, are also manufactured in tamper-resistant form. These typically have a pin pr...   » Read the article

Encyclopedia - Screw: Encyclopedia Ii - Screw - History
In antiquity, the Greek mathematician Archytas of Tarentum (428 – 350 BC) was credited with the invention of the screw. By the 1st cent...   » Read the article

Encyclopedia - Screw: Encyclopedia Ii - Screw - Legal Issues
The difference between a screw and a bolt may not seem something in which governments are much interested. However, in the United States ...   » Read the article

Encyclopedia - Screw: Encyclopedia Ii - Screw - Tamper Resistant Screws
Many screw drives, including Phillips, TORX, and Hexagonal, are also manufactured in tamper-resistant form. These typically have a pin pr...   » Read the article

Encyclopedia - Screw: Encyclopedia Ii - Screw - Legal Issues
The difference between a screw and a bolt may not seem something in which governments are much interested. However, in the United States ...   » Read the article