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Science
Welcome To The AnswerBank ScienceAny discussion that is scientifically led is acceptable, whether it is about physics or a conspiracy theory.
Whilst discussions and debates are encouraged, The AnswerBank reserves the right to remove answers that are deliberately misleading, e.g. by implying that a statement is a scientific theory or law when it is not, especially when such answers may impact personal health choices.
The AnswerBank makes no claim regarding the scientific accuracy of any post (question or answer) made by a member.
A genuine mathematical question: Find a number so that when its last digit is put in front, the number is exactly doubled. eg 1. 25 becomes 52 (slightly more than doubled) eg 2. 112 becomes 211 (which...
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A perfectly horizontal metal handrail constructed across the USA between Baltimore, Maryland and San Francisco in California measures 2,580 miles long. The chief engineer on the project informs you...
I have the answer but how on earth was it arrived at??
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decode the secret message below: 1H 5S 3D 7D 5D 6D 3S 2S 2C 3H 5H 2H Key: D = Diamonds H = Hearts C = Clubs S = Spades eg. 1D = Ace of Diamonds, 5C = 5 Clubs etc Clue: Biblical...
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Find the number ? In the code wheel. See link below:
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Would I dare to be so mean as to ask how many squares and rectangles can be found on a standard chessboard LOL Of course not!!
Four very bright people discuss the origins of life on Earth;
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Can there be any movement of electrons inside a superconducting sphere? (Possibility of biological stasis!)
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Ben and Jack decided to play tennis against each other. They bet £1 on each game they played. Ben won three bets and Jack won £5. How many games did they play?...
what is a neutrino
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There are three people (Alex, Ben and Cody), one of whom is a knight, one a knave, and one a spy. The knight always tells the truth, the knave always lies, and the spy can either lie or tell the...
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What's the most efficient method of storing generated electricity?
If we drop a lamp into a black hole, the lamp might reach the event horizon without being crushed. We would see the lamp becoming redder, but if we could observe longer and longer radio waves, it...
It is straightforward to show, using the inverse-square law, that a uniform shell of matter produces no gravitational force in the space within it. However, the inverse-square law assumes Newtonian...
Imagine it's the final jury vote at the Eurovision song contest with the UK two points ahead of Sweden. The points from the last country to vote which is neither the UK or Sweden are still in the...
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