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   Where did the phrase 'in the hole' come from?

   • Origin of this idiom This phrase was originally used the card game, stud poker. During the game a card would be placed face down as players placed their bets. This card was seen to be “in the hole” and might be of an advantage to a player later in the game.

   Ace in the Hole: Have You Ever Wondered What this Phrase Means ... - …

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   What information is lost in a black hole?

   • Because a black hole has only a few internal parameters, most of the information about the matter that went into forming the black hole is lost. Regardless of the type of matter which goes into a black hole, it appears that only information concerning the total mass, charge, and angular momentum are conserved.

   Black hole - Wikipedia

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   What happens when an object falls into a black hole?

   • When an object falls into a black hole, any information about the shape of the object or distribution of charge on it is evenly distributed along the horizon of the black hole, and is lost to outside observers.

   Black hole - Wikipedia

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   What does a simple hole look like?

   • A simple hole is a circle that has been cut out of an object. If we cut the block in half, it looks like this: What Is the Symbol for a Simple Hole? The symbol used for a hole is the diameter ‘Ø’ symbol. How Are Simple Holes Shown on Engineering Drawings?

   Types of Holes - The Complete Guide | The Engineer's Bible (2024)

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   What is a black hole in astronomy?

   • Black holes are the end-state for massive stars. Microquasars and active galactic nuclei are believed to be stellar black holes and supermassive black holes. It also predicts gravitational lensing, where the bending of light results in multiple images of the same distant astronomical phenomenon.

   General relativity - Wikipedia

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   How can a black hole avoid losing information about its initial conditions?

   • Because a black hole eventually achieves a stable state with only three parameters, there is no way to avoid losing information about the initial conditions: the gravitational and electric fields of a black hole give very little information about what went in.

   Black hole - Wikipedia

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2. www.newscientist.com › article › mg26435130-100-whatWhat does it mean to “look” at a black hole? | New Scientist

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   3 days ago · What does it mean to “look” at a black hole? General relativity teaches us that observing a black hole is all a question of perspective – and technique, says Chanda Prescod-Weinstein ...

3. en.wikipedia.org › wiki › Black_holeBlack hole - Wikipedia

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   2 days ago · This radiation does not appear to carry any additional information about the matter that formed the black hole, meaning that this information appears to be gone forever. [ 218 ] The question whether information is truly lost in black holes (the black hole information paradox ) has divided the theoretical physics community.

4. 7esl.com › ace-in-the-hole"Ace in the Hole" Meaning, Origin and Examples • 7ESL

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   4 days ago · Origin of this Idiom. This phrase was originally used the card game, stud poker. During the game a card would be placed face down as players placed their bets. This card was seen to be “in the hole” and might be of an advantage to a player later in the game. In the 19th century it was also used to refer to a hidden weapon such as a gun.

5. itchol.com › article › types-of-holes-the-completeTypes of Holes - The Complete Guide | The Engineer's ... - Itchol

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   Oct 8, 2024 · Screw clearance holes are used for components that need the screw or bolt to go through them. An example of this is a bracket that needs to be attached to a block. The bracket has screw clearance holes so that a bolt can pass through it. The bolt is threaded into the block which has a tapped hole. The compression force of tightening the bolt ...

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6. www.vocabulary.com › dictionary › holeyHoley - Definition, Meaning & Synonyms - Vocabulary.com

   www.vocabulary.com › dictionary › holey

   5 days ago · allowing passage in and out. DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘holey'.Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors.

7. www.bbc.co.uk › learningenglish › featuresBBC Learning English - The English We Speak / Burn a hole in ...

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   5 days ago · B: Well, I have a bad habit of spending my money as soon as I get it. Money burns a hole in my pocket. A: I find saving money so difficult. I like to buy the latest gadgets. B: The trouble with ...

8. en.wikipedia.org › wiki › General_relativityGeneral relativity - Wikipedia

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   3 days ago · Slow motion computer simulation of the black hole binary system GW150914 as seen by a nearby observer, during 0.33 s of its final inspiral, merge, and ringdown.The star field behind the black holes is being heavily distorted and appears to rotate and move, due to extreme gravitational lensing, as spacetime itself is distorted and dragged around by the rotating black holes.