(McMahon‚ 2013) These mirrors are placed 45 degrees apart in a parallel fashion. (McMahon‚ 2013) A version of this periscope with an additional two lenses helped with warfare in World War I for trench combat‚ gun turrets and armoured vehicles. Submarines use more complex periscopes involving prisms instead of mirrors. (McMahon‚ 2013) The earliest periscope was invented in 1450 during the pilgrimage time by a man by the name of Johann Gutenburg. (Lambe‚ 2002) It was first invented for people‚ so
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------------------------------------------------- Indian Armed Forces From Wikipedia‚ the free encyclopedia Indian Armed Forces ’भारतीयसशस्त्रसेनाएं’ | Emblem of India Indian Army Indian Navy Indian Air Force Indian Coast Guard Strategic Nuclear Command Integrated Space Cell | Leadership | Commander-in-Chief | President PratibhaPatil | Ministry of Defence | A. K. Antony | Chairman of the Chiefs of Staff Committee | Admiral Nirmal Kumar Verma | Manpower | Military age
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guns • Mustard & chlorine gas • Tanks • Zeppelins • Flamethrowers • Torpedoes and submarines • Aviation • Artillery field gun • Mortars • Barbed wire • Anti-aircraft guns • Railway guns Rifles
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therein‚ and all other territories over which the Philippines has sovereignty or jurisdiction‚ consisting of its terrestrial‚ fluvial‚ and aerial domains‚ including its territorial sea‚ the seabed‚ the subsoil‚ the insular shelves‚ and the other submarine areas. The waters around‚ between‚ and connecting the islands of the archipelago‚ regardless of their breadth and dimensions‚ form part of the internal waters of the Philippines. Necessity of constitutional provision on National Territory
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perished in two weeks. The ship was captained by Charles Butler McVay III‚ known for running a tight ship‚ had been appointed captain by President Wilson. On that same day Lieutenant Commander Mochitsura led his 2‚600 ton submarine‚ which was newer and better equipped than
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The enemy submarine may have never caught them. The mission that was in progress prevented them from having an escort. It was top secret and supposedly no one was supposed to know about it. The lack of an escort caused many problems‚ and many deaths. There are many
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Discuss the impact of the Lusitania sinking. Did it help pave the way for America’s entry into the war? or How important was the American Expeditionary Force’s role in winning WWI against the Germans. Would the Allies have won anyway without American involvement‚ or was the US role critical? or Would you describe the Paris Peace Conference (1919) and the resulting Treaty of Versailles as a failure or success? Why? Sinking helps prepare us for war without directly thrusting the country into
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aircraft was pioneered and‚ though late introduction meant it had little impact‚ it led to jets becoming standard in worldwide air forces.[361] Advances were made in nearly every aspect of naval warfare‚ most notably with aircraft carriers and submarines. Although at the start of the war aeronautical warfare had relatively little success‚ actions at Taranto‚ Pearl Harbor‚ the South China Sea and the Coral Sea established the carrier as the dominant capital ship in place of the battleship.[362][363][364]
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"Cartesian" is named after the French mathematician and philosopher Rene Descartes‚ who lived from 1596 until 1650. Cartesian diver lab is used commonly in scientific experiments to illustrate principle of buoyancy. The objective of this Cartesian diver lab is to demonstrate Pascal ’s law and Archimedes ’ principles. Observation is the key to conduct this experimental study of the Cartesian diver. First a 2-liter bottle is filled with water to almost all the way to the top‚ then prepare the diver
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The U.S entered WW1 for several reasons. The U.S entered for two main reasons: one was that the Germans had declared unlimited German submarine warfare and the Zimmermann note. The German had totally disregarded the international laws protecting neutral nation’s ships by sinking neutral ships. We warned the Germans one too many times and they did not take us seriously so in 1917 we finally had enough and we joined the war. The Germans had decided that they would sink any ship they wanted without
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