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What part did Captain Bligh play in the history of ay in the Australia?

William Bligh is best known to history as the captain of HMS Bounty whose crew mutinied and set him adrift in a small boat. His voyage in this boat of 6,500 km reveals what a skilful seaman and navigator he must have been. He was also second-in-command to Nelson at the Battle of Copenhagen. Because of his distinguished services he …

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What measured in watts?

Power is measured in watts. This can mean either the power that something produces as it works, or the power that is needed to drive something. A watt is not a very big unit of power. Powerful machines are therefore graded in kilowatts(KW) or megawatts(MW). A kilowatts is 1,000 watts and a megawatt is 1,000,000 watts. The watt is named …

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What makes grass green?

The green color in grass-and in most other plants-comes from chloroplast within the cells, each of which contains four different colors or pigments. These are: chlorophyll a, which is the strongest and is blue-green; chlorophyll b, which is yellow-green; xantophyll, which is yellow; and carotene, which is orange and gives carrots their bright color. Grass goes from light green in …

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What makes silver tarnish?

It is the sulphur in the air, which often comes from coal-gas used for cooking and heating, that causes silver to tarnish or blacken. Silver combines with sulphur to form the black silver sulphide sometimes found on forks and spoons which have been in contact with egg folk. Silver is a precious metal which the Greeks called shining. In spite …

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