What can be opened but can't b...
[1932] What can be opened but can't b... - What can be opened but can't be closed? - #brainteasers #riddles - Correct Answers: 117 - The first user who solved this task is Sanja Šabović
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What can be opened but can't b...

What can be opened but can't be closed?
Correct answers: 117
The first user who solved this task is Sanja Šabović.
#brainteasers #riddles
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The Fortune Teller

A man goes to visit a fortune teller. In a dark and hazy room, peering into a crystal ball, the mystic delivered grave news.

"There's no easy way to say this, so I'll just be blunt - prepare yourself to be a widow. Your wife will die a violent and horrible death this year."
Visibly shaken, the man stares at the fortune teller's lined face, then at the single flickering candle, then down at her hands.
He took a few deep breaths to compose himself. He simply had to know. He met the fortune-teller's gaze, steadied his voice, and asked his question:

"Will I be found guilty?"      

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Arago announces electromagnetism

In 1820, Francois Arago announced that a copper wire between the poles of a voltaic cell, could laterally attract iron filings to itself (Ann. de Chim. et de Physique., xv. p.93). His discovery came in the same year that Oersted discovered that an electric current flowing in a wire would deflect a neighbouring compass needle. Arago in the same publication described how he had successfully succeeded in causing permanent magnetism in steel needles laid at right angles to the copper wire. Arago and André-Marie Ampère, discussed and experimented with forming the copper wire into a helix to intensify the magnetizing action. However, it was not until 1825 that the electromagnet in its familiar form was invented by William Sturgeon.«
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