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Rev. Green

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Rev. Green

Minimum Number Of Dances?

We've been invited to a ballroom dance in ten months' time. What is the minimum number of dances to learn to participate most of the time? Can we get away with just two: one in common time and one... ...
23:01 Sun 05th Nov 202310 answers, last by Old_Geezer 09:51 Mon 06th Nov 2023
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Rev. Green

Therefore, Jew

"The quality of mercy is not strained. It droppeth as the gentle rain from heaven upon the place beneath... Therefore, Jew, though justice be thy plea, consider this: that in the course of justice... ...
11:48 Tue 24th Oct 202367 answers, last by andy-hughes 17:06 Wed 25th Oct 2023
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LadyCG

Lucy Letby Guilty

https://news.sky.com/story/nurse-lucy-letby-found-guilty-of-murdering-seven-babies-on-neonatal-unit-12919516 Found guilty of murdering seven babies. RIP little ones....
15:02 Fri 18th Aug 2023158 answers, last by Ellipsis 20:24 Sat 26th Aug 2023
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piggynose

Neil Armstrong Died Nearly 11 Years Ago

https://www.youtube.com/watch?v=mr5MfbRokpg&t=54s to sum up this 18min +vid.. (1) did you know the real cause of his death was hushed up? (2) he claimed to have seen aliens! (3) did you know that it...
10:55 Wed 16th Aug 202318 answers, last by Rev. Green 13:46 Fri 18th Aug 2023
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Rev. Green

Gravitational Anomalies

Is there an archive of answerbank questions? I'd like to see a question I asked some years ago about the possibility that dark energy and dark matter could be explained away by modifying the way that...
16:43 Sat 12th Aug 202315 answers, last by Rev. Green 13:03 Sun 13th Aug 2023
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Rev. Green

What Gravity Is Within A Shell Of Matter?

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...
10:19 Mon 15th May 20232 answers, last by Rev. Green 12:18 Mon 15th May 2023
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Rev. Green

Are Black Holes Hollow?

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...
14:48 Sun 14th May 202310 answers, last by Hymie 12:36 Mon 15th May 2023
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Rev. Green

Fried Eggs, "In The Clouds"

An egg cooked "sunny side up" produces an overcooked yolk if it is cooked long enough for the albumen to set. "Easy over" rarely produces an acceptable result. Is there a name for the way of frying an...
21:03 Fri 24th Feb 202318 answers, last by Vagus 16:48 Sat 25th Feb 2023
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Hymie

Those Greedy Posties

With UK annual inflation running at over 11%, the postal workers are accused of ‘holding Christmas to ransom’ with strikes, having been offered 9% over 2 years (less than 4.5% per year). Meanwhile the...
21:48 Thu 01st Dec 202211 answers, last by rockyracoon 18:04 Sun 11th Dec 2022
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Rev. Green

No Gravity From Photons

A photon has energy. Why does it not generate a gravitational field? Energy = mass....
23:12 Tue 08th Nov 202247 answers, last by Zacs-Master 16:51 Fri 11th Nov 2022
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Rev. Green

Black Hole Squarks

When two black holes collide they emit a "squark" of gravitational waves. Why? There is conservation of mass, centre of mass, and angular momentum. I assume that tidal disturbance transfers angular...
21:27 Wed 09th Nov 202218 answers, last by Atheist 12:12 Thu 10th Nov 2022
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ScienceNoob

Asteroid-Bashing Spacecraft Is Ready To Test An Earth-Saving Manoeuvre

https://www.nature.com/articles/d41586-022-03030-x If this doesn't work are we doomed?...
09:27 Sun 25th Sep 202231 answers, last by Rev. Green 20:29 Tue 27th Sep 2022
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Rev. Green

Design Of The Universe

If you had designed the Universe, would you have designed this one?
09:24 Mon 29th Aug 202233 answers, last by topas 20:46 Wed 28th Sep 2022
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Rev. Green

Statistical Problem

If one of a group of n items is distinguishable, then it can be found in (n+1)/2 attempts, on average, by examining a random item from the group, provided that the same item is not chosen twice. How...
10:15 Mon 25th Jul 202221 answers, last by Peter Pedant 17:06 Tue 26th Jul 2022
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Rev. Green

Does Turbulence Keep Wind Turbines In Phase?

Yesterday, two wind turbines kept in phase for all the time that I watched them. Was turbulence locking their rotations together? One was directly downwind of the other. A third turbine, at the side...
20:41 Fri 22nd Apr 202212 answers, last by Peter Pedant 22:14 Fri 22nd Apr 2022
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Rev. Green

How Long Does The Severn Flow.

How long in time (not distance) does it take a river like the Severn to flow from its source to the sea? Of course, this is impossible to answer: some molecules will travel faster than others; some...
20:49 Wed 03rd Nov 202131 answers, last by Peter Pedant 10:48 Sun 14th Nov 2021
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Rev. Green

Polynomial?

I need a formula that monotonically decreases from f(0)=infinity to f(infinity)=0 and passes through the points f(a)=2 and f(b)=1, where a
15:18 Sun 31st Oct 202112 answers, last by jim360 22:27 Wed 03rd Nov 2021
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ChipSkylark3220

Powers Of A Lens

Suppose you notice that a friend is having difficulty seeing distant objects clearly. After a few tests, you and your friend discover that they can see objects clearly out to about 35 cm from their...
01:20 Thu 28th Oct 20212 answers, last by Rev. Green 15:23 Sun 31st Oct 2021
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Thelizardgoddess

I Need Data For A Project I Am Only Asking 5 Questions

If you have already answered please don't respond Are you male or female? Are you afraid of frogs? Are you afraid of turtles? Are you afraid of snakes? Are you afraid of lizards?...
21:44 Mon 17th May 202127 answers, last by Rev. Green 08:32 Thu 03rd Jun 2021
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Rev. Green

Can Space Disappear?

If I understand Steven Hawking, the Big Bang created positive energy (including mass) and an equal amount of negative energy, which resides in space. Can space disappear? For example, can a Black Hole...
12:06 Tue 06th Apr 20219 answers, last by davebro 19:51 Thu 22nd Apr 2021

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