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Rev. Green

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Rev. Green

Aircraft: Freeze Or Fry?

At 10 000 m altitude a balloon is cold, but a meteor is hot. What would be the temperature of the nose of an aircraft flying at (say) 600 km/h? Ignore conduction and radiation, or masochists can...
10:53 Fri 16th Mar 20181 answer, last by Kidas 11:40 Fri 16th Mar 2018
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Rev. Green

Left-Handed Guitar

When someone plays a stringed instrument - not a piano - left-handed, do they reverse the order of the strings? i.e. does a left-handed guitarist or violinist still have the higher-pitched strings...
20:45 Fri 16th Feb 201817 answers, last by maggiebee 17:58 Thu 22nd Feb 2018
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Rev. Green

Magnetic Monopoles

How could we detect a magnetic monopole, and why is it said that if a single magnetic monopole exists then all the electrons in the Universe must have the same rest mass?
10:26 Fri 16th Feb 20186 answers, last by jim360 11:10 Fri 16th Feb 2018
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Rev. Green

Cost Of Brexit

Should we ask Europe to pay our cost of liberating it in the Second World War? How much? Ten million pounds per death?
10:03 Fri 19th Jan 201811 answers, last by Togo 19:08 Fri 19th Jan 2018
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Rev. Green

Smoke Detector In Smartphone

Wouldn't it be a good idea if every smartphone contained detectors for smoke and carbon-dioxide? They would always be charged and working. Does anyone know if any smartphones already have them?
10:30 Thu 18th Jan 201812 answers, last by Satpal 10:40 Mon 20th Apr 2020
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Rev. Green

Times Quick

Escort vessel my inspector endlessly provides (8). The answer is CORVETTE, but why, apart from a corvette being an escort or escort vessel?
21:31 Thu 26th Oct 20172 answers, last by Rev. Green 21:40 Thu 26th Oct 2017
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Rev. Green

What's The Difference Between Neutral And Park For An Automatic Car?

I've bought a second-hand automatic car for the first time and I'm confused by the gear lever. I've driven it for a fortnight using just forward and reverse, and keeping my foot on the brake at...
18:33 Thu 08th Dec 20164 answers, last by bhg481 23:01 Thu 08th Dec 2016
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Rev. Green

Cheap Airport Parking

It is cheaper to book for five days than for three. Are there any snags? Can you leave your car a day late, and collect it a day early?
11:34 Mon 12th Sep 20166 answers, last by zebo 13:34 Thu 15th Sep 2016
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Rev. Green

Is Paper Licence Okay On Continent?

I've mislaid my plastic driving licence. Can I legally drive in continental Europe with just the paper licence?
14:02 Wed 31st Aug 201612 answers, last by Pigletion 15:50 Sat 10th Sep 2016
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Rev. Green

Course Of Action

This is my last unsolved clue of the Great Wall Crossword No. 1 CLUE: Course of action. LIGHT: ?R?D?S? ANSWER: I can think of only CRUDEST or PRUDISH. I'm tempted to enter CRUDISH just to finish the...
21:05 Fri 26th Aug 201620 answers, last by rebeccawgold 06:16 Wed 23rd Jan 2019
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Rev. Green

Jacket With Cotton Centre?

149 down in the Great Wall Crossword no. 1 Clue: Jacket with cotton centre? Light: ?O?B?E? The answer looks like DOUBLET, but what is the cotton centre?...
20:56 Fri 26th Aug 20161 answer, last by Mamyalynne 20:58 Fri 26th Aug 2016
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Rev. Green

Does Space Disappear In The Big Crunch?

If the Universe ends with a Big Crunch is "empty" space left behind or does it disappear. In fact, does space every disappear e.g. near a black hole?...
09:08 Fri 10th Jun 201618 answers, last by eileenwkelley 05:26 Sat 12th Jan 2019
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Rev. Green

How Will A Wheel Spin?

If you hold the ends of an axle with each hand then turn the axle through 180 degrees so that your left hand holds the end that the right hand held, how will a bicycle wheel previously free-wheeling...
09:36 Sun 29th May 20165 answers, last by wildwood 23:01 Tue 31st May 2016
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Rev. Green

How Long Until The First Of 60 Leds Fail?

A mirror has 60 LEDs, each lasts 5000 hours on average. When, on average, will the first LED fail. Obviously it depends on the spread of failure rates. 60 candles would all fail at similar times. So...
15:00 Wed 20th Jan 201613 answers, last by jim360 23:37 Tue 26th Jan 2016
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Rev. Green

Can You Read A Book On A Hudl?

Is it possible to read books on a Hudl? I've downloaded a Kobo book and a Kobo app, thinking that was the way to go, but the app doesn't seem to see the book. Also, if anyone knows how to remove a...
20:53 Sun 10th Jan 20161 answer, last by Buenchico 22:49 Sun 10th Jan 2016
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Rev. Green

Neigh

Please explain the second part of this clue by Tees with answer "neigh": "This from the horse's mouth - yet more from mine!"...
21:45 Sun 20th Sep 20155 answers, last by Mamyalynne 22:05 Sun 20th Sep 2015
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Rev. Green

Iplayer Use

How do you access the BBC television "iPlayer". I've tried the red button and a few others, but can't find it....
18:13 Tue 02nd Dec 20148 answers, last by Rev. Green 21:02 Thu 15th Jan 2015
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Rev. Green

Gravity - a repulsive force???

What's wrong with this argument? Twelve billion years ago the Universe was less dense than it had been thirteen billion years ago, but more dense than it would be eleven billion years ago.  So...
21:39 Mon 02nd Apr 201218 answers, last by skep 17:25 Sun 22nd Apr 2012
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Rev. Green

Why do clouds have distinct edges?

- rather than gradually fading into the sky?
14:39 Tue 20th Sep 20113 answers, last by bookbinder 14:53 Tue 20th Sep 2011
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Rev. Green

Why are fundamental particles the same?

When a high-energy photon forms an electron/positron pair the electrons always have the same mass, charge, etc. Why? If you sent dough to several locations to be made into loaves, the loaves would all...
20:55 Sun 01st May 20116 answers, last by beso 03:23 Wed 04th May 2011

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