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Chromoscope - View the Universe in different wavelengths. Dynamic Periodic Table. Infectious Mononucleosis. Emma Watson Endorsed Fair Trade Fashion. Home - ; your high quality source for Emma Watson photos and media! Osgood–Schlatter disease. Osgood–Schlatter disease or syndrome (also known as Apophysitis of the tibial tubercle, or knobby knees) is an irritation of the patellar ligament at the tibial tuberosity.[1] It is characterized by painful lumps just below the knee and is most often seen in young adolescents.

Osgood–Schlatter disease

Risk factors may include overzealous conditioning (running and jumping), but adolescent bone growth is at the root of it. Cause[edit] Osgood–Schlatter disease generally occurs in boys and girls aged 9–16[2] coinciding with periods of growth spurts. It occurs more frequently in boys than in girls, with reports of a male-to-female ratio ranging from 3:1 to as high as 7:1. It has been suggested that difference is related to a greater participation by boys in sports and risk activities than by girls.[3] Mark Jenkins // Street Installations. Philadelphia Washington, DC Amsterdam Bethlehem Baltimore, MD Martinsburg, WV.

Mark Jenkins // Street Installations

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Numerology based Love Compatibility

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Medical eponyms. Medical eponyms are terms used in medicine which are named after people (and occasionally places or things).

Medical eponyms

New discoveries are often attached to the people who made the discovery because of the nature of the history of medicine. This has produced a large number of medical eponyms:, a dictionary of medical, a dictionary of pathology eponyms. Gray, Henry. 1918. Anatomy of the Human Body. 40 Belief-Shaking Remarks From a Ruthless Nonconformist. If there’s one thing Friedrich Nietzsche did well, it’s obliterate feel-good beliefs people have about themselves.

40 Belief-Shaking Remarks From a Ruthless Nonconformist

He has been criticized for being a misanthrope, a subvert, a cynic and a pessimist, but I think these assessments are off the mark. I believe he only wanted human beings to be more honest with themselves. Exhibition. Cryptozoology and Strange Beasties. Forests. TED: Ideas worth spreading. Temperature Conversion, Weight Conversion and Length Conversion. Calculus. History[edit] Modern calculus was developed in 17th century Europe by Isaac Newton and Gottfried Wilhelm Leibniz (see the Leibniz–Newton calculus controversy), but elements of it have appeared in ancient Greece, China, medieval Europe, India, and the Middle East.


Ancient[edit] The ancient period introduced some of the ideas that led to integral calculus, but does not seem to have developed these ideas in a rigorous and systematic way. Pure mathematics. Mathematical formulæ Broadly speaking, pure mathematics is mathematics that studies entirely abstract concepts.

Pure mathematics

From the eighteenth century onwards, this was a recognized category of mathematical activity, sometimes characterized as speculative mathematics,[1] and at variance with the trend towards meeting the needs of navigation, astronomy, physics, economics, engineering, and so on. Logarithmic scale. A simple example is a chart whose vertical or horizontal axis has equally spaced increments that are labeled 1, 10, 100, 1000, instead of 0, 1, 2, 3.

Logarithmic scale

Each unit increase on the logarithmic scale thus represents an exponential increase in the underlying quantity for the given base (10, in this case). Definition and base[edit] Logarithmic scales are either defined for ratios of the underlying quantity, or one has to agree to measure the quantity in fixed units. Deviating from these units means that the logarithmic measure will change by an additive constant. Leonhard Euler. A statement attributed to Pierre-Simon Laplace expresses Euler's influence on mathematics: "Read Euler, read Euler, he is the master of us all. "[6][7] Life[edit] Early years[edit] List of things named after Leonhard Euler. In mathematics and physics, there are a large number of topics named in honor of Leonhard Euler, many of which include their own unique function, equation, formula, identity, number (single or sequence), or other mathematical entity.

Unfortunately, many of these entities have been given simple and ambiguous names such as Euler's function, Euler's equation, and Euler's formula. Euler's work touched upon so many fields that he is often the earliest written reference on a given matter. Physicists and mathematicians sometimes jest that, in an effort to avoid naming everything after Euler, discoveries and theorems are named after the "first person after Euler to discover it".[1][2] Euler's conjectures[edit]

Euler–Mascheroni constant. The area of the blue region converges on the Euler–Mascheroni constant. The Euler–Mascheroni constant (also called Euler's constant) is a mathematical constant recurring in analysis and number theory, usually denoted by the lowercase Greek letter gamma ( Here, represents the floor function. E (mathematical constant) Functions f(x) = ax are shown for several values of a. e is the unique value of a, such that the derivative of f(x) = ax at the point x = 0 is equal to 1. The blue curve illustrates this case, ex. For comparison, functions 2x (dotted curve) and 4x (dashed curve) are shown; they are not tangent to the line of slope 1 and y-intercept 1 (red). 2.71828182845904523536028747135266249775724709369995...

Binary logarithm. Natural logarithm. Graph of the natural logarithm function. The function slowly grows to positive infinity as x increases and slowly goes to negative infinity as x approaches 0 ("slowly" as compared to any power law of x); the y-axis is an asymptote. Logarithm. Natural Logarithms Table.

Albert Einstein. The world as I see it. Albert Einstein. Albert Einstein Site Online. A comprehensive timeline biography of Albert Einstein (1879-1955), German-born American physicist and Nobel Laureate, best known as the creator of the special and general theory of relativity and for his bold hypothesis concerning the particle nature of light. Einstein-Image and Impact. AIP History Center exhibit. An Essay by Einstein.

Who's Your Favourite? Video. Orrery_2006.swf from - StumbleUpon. Gmail: Email from Google. Emma Watson The Official Website. Explore more. Web pages, photos, and videos. Hubble Heritage Gallery of Images.

WIKISKY.ORG. 50 Things Everyone Should Know.

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