How does microwaves interact with matter?

How does microwaves interact with matter? The interaction of microwaves with matter other than metallic conductors will be to rotate molecules and produce heat as result of that molecular motion. Conductors will strongly absorb microwaves and any lower frequencies because they will cause electric currents which will heat the material. How does a microwave cause […]

What did the Minoans trade for?

What did the Minoans trade for? The Minoans were involved in the tin trade, critical in the Bronze Age. Tin, alloyed with copper which may have come from Cyprus, was used to make bronze. They also traded in ceramics, copper, gold and silver. The Minoan fleet appears to have been a trading fleet, but with […]

What was used before the telegraph?

What was used before the telegraph? Prior to the electric telegraph, semaphore systems were used, including beacons, smoke signals, flag semaphore, and optical telegraphs for visual signals to communicate over distances of land. What was life like before the telegraph? Before the development of the electric telegraph in the 19th century revolutionized how information was […]

What is ethical objectivism?

What is ethical objectivism? Objectivism holds that the purpose of morality is to define a code of values in support of one’s own life, a human life. The values of Objectivism are the means to a happy life. They include such things as wealth, love, satisfaction in work, education, artistic inspiration, and much more. What […]

Is Australia a constitutional monarchy?

Is Australia a constitutional monarchy? Australia is a constitutional monarchy. A monarchy is a country where the position of head of state is inherited. In Australia the powers of the Queen have been delegated by the Australian Constitution to her representative in Australia, the Governor-General. What is the relationship between Australia and England? Bilateral relations […]

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