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Solar Hot Water Systems and Materials of Construct
Solar Hot Water Systems and Materials of Construct
Solar Hot Water Systems and Materials of Construction The materials used in solar hot water systems must be carefully chosen to ensure that the unit will be efficient but also affordable. The efficiency of the conversion of sunlight energy to heat energy of the water depends on the materials of construction and the efficiency of heat transfer of the materials. Solar hot water systems use the processes of conduction to transfer the heat absorbed from the sun to the water and convection to move wa
Cuban Missile Crisis
Cuban Missile Crisis
Cuban Missile Crisis 1. Cuban Missile Crisis A. Khrushchev, and the Russian military, placed nuclear offensive missiles into Cuba. A U-2 plane taking pictures over Cuba spotted the missile camps in Cuba, and brought it to the attention of the President. After a meeting with Russian officials, the Russian\'s assured that the missiles were for defensive purposes only. The U.S. officials knew that the missiles were nuclear and for offensive purposes. So, instead of bombing the area before the missi