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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... ...
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... ...

## 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....
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...
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...
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...
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...
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...
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...
Rev. Green

## No Gravity From Photons

A photon has energy. Why does it not generate a gravitational field? Energy = mass....
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...
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?...
Rev. Green

## Design Of The Universe

If you had designed the Universe, would you have designed this one?
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...
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...
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...
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
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...
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?...
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...

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