Intelligence Questions and Answers (Q&A)

Filippo brunelleschi, architect and engineer.-brunelleschi (1377-1446), trained as a goldsmith and sculptor in his native florence, but from the outset displayed a talent for mathematics and technical innovation. from a lifetime of achievements he is most celebrated for rediscovering and enlarging...Read More

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Holy water.-the holy-water vending machine was invented by the greek mathematician hero, or at any rate was first described by him. visitors to temples in alexandria, egypt placed a five-drachma coin in the machine and received a measured amount of holy water for ritual cleansing before joining in...Read More

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The first synthetic dye.-chemists in the mid-1800s often created new coloring agents in the course of their experiments without realizing their commercial value. perkin reacted aniline with potassium dichromate. when the product of the reaction was added to alcohol, it turned pinkish-purple....Read More

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Continue to read your book or magazine, or watch the movie, trying to pay little attention to the turbulence.
Become vigilant for an emergency, carefully monitoring the stewardesses and reading the emergency instructions card.
A little of both A and B.

1. The turbulent...
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Continue to read your book or magazine, or watch the movie, trying to pay little attention to the turbulence.
Become vigilant for an emergency, carefully monitoring the stewardesses and reading the emergency instructions card.
A little of both A and B.

1. The turbulent...
Read More

1 Answer

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