Cardiology Examination - Examination of the hands
Look at the hands to see if there is evidence of: - clubbing - cyanosis: are hands cold or warm? - stigmata of endocarditis - splinter haemorrhages - Osler’s nodes - Janeway lesions - nicotine stains - capillary refill time
Author(s): Professor Karim Meeran; Imperial College London

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Al-90 wt% Cu (bronze)
This is a copper-aluminium bronze containing 10 wt% aluminium. A small amount of iron is often added to act as a grain refiner to improve the mechanical properties. Alloys with more than 8 wt% aluminium solidify as the β phase. Below about 930°C, Widmanstätten α phase precipitates. At the eutectoid temperature (565°C) the remaining β decomposes to a lamellar eutectoid of α and β. Rapid cooling from the high temperature β phase can form martensite instead of Widmanstätten α. Aluminium
Author(s): Dr J Marrow, Department of Materials Science, Univ

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Al-90 wt% Cu (bronze)
This is a copper-aluminium bronze containing 10 wt% aluminium. A small amount of iron is often added to act as a grain refiner to improve the mechanical properties. Alloys with more than 8 wt% aluminium solidify as the β phase. Below about 930°C, Widmanstätten α phase precipitates. At the eutectoid temperature (565°C) the remaining β decomposes to a lamellar eutectoid of α and β. Rapid cooling from the high temperature β phase can form martensite instead of Widmanstätten α. Aluminium
Author(s): Dr J Marrow, Department of Materials Science, Univ

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http://creativecommons.org/licenses/by-nc-sa/2.0/uk/

Al-90 wt% Cu (bronze)
This is a copper-aluminium bronze containing 10 wt% aluminium. A small amount of iron is often added to act as a grain refiner to improve the mechanical properties. Alloys with more than 8 wt% aluminium solidify as the β phase. Below about 930°C, Widmanstätten α phase precipitates. At the eutectoid temperature (565°C) the remaining β decomposes to a lamellar eutectoid of α and β. Rapid cooling from the high temperature β phase can form martensite instead of Widmanstätten α. Aluminium
Author(s): Dr J Marrow, Department of Materials Science, Univ

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066 - BELLUM HELVETICUM - LOWE BUTLER WALKER
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Battlefield: The Battle of Midway (1/12)
In June 1942, the most decisive naval battle of WWII was fought between the United States of America and the Japanese empire. Waged entirely of aircraft carriers, hundreds of miles apart, the Battle of Midway was the first major fleet encounter in which the ships on each side never came within visual range of enemy vessels. Victory or defeat depended not on the big guns of battleships, but on the carrier born bombers and torpedo bombers flying over vast tracks of ocean to seek and destroy their
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Battlefield: The Battle of Midway (2/12)
In June 1942, the most decisive naval battle of WWII was fought between the United States of America and the Japanese empire. Waged entirely of aircraft carriers, hundreds of miles apart, the Battle of Midway was the first major fleet encounter in which the ships on each side never came within visual range of enemy vessels. Victory or defeat depended not on the big guns of battleships, but on the carrier born bombers and torpedo bombers flying over vast tracks of ocean to seek and destroy their
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In June 1942, the most decisive naval battle of WWII was fought between the United States of America and the Japanese empire. Waged entirely of aircraft carriers, hundreds of miles apart, the Battle of Midway was the first major fleet encounter in which the ships on each side never came within visual range of enemy vessels. Victory or defeat depended not on the big guns of battleships, but on the carrier born bombers and torpedo bombers flying over vast tracks of ocean to seek and destroy their
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Roosevelt Corollary To the Monroe Doctrine
This video is accompanied by text. "Around the turn of the twentieth century, Latin American nations began defaulting on massive loans from European powers such as Germany and England. Many of these “Banana Republics,” including Venezuela and the Dominican Republic, had borrowed heavily and had no way or intention of repaying their debts. This issue came to the forefront in 1903, when German warships sank two Venezuelan vessels and bombarded a Venezuelan town. Their intention was to intimida
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Microanatomy of the Lungs
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3D Animation of a Heart Attack
This 3d medical animation illustrates the story of a heart attack from a blocked coronary artery due to th inflammation of blood vessels. Beginning with damage to the endothelial arterial wall, the animation shows how a white blood cell entering the wall of the artery changes into a macrophage, grabbing and digesting cholesterol. As the cell does its job, it transforms into a foam cell, which, unfortunately, becomes part of the plaque within the blood vessel wall. Ultimately, over a period of
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