Guess what the Graph Shows!
Re: Guess what the Graph Shows!
by Lianachan » Wed Jun 22, 2016 1:52 pm
Something to do with the visibility of stars, but I don't know exactly what.
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Re: Guess what the Graph Shows!
by Arneb » Wed Jun 22, 2016 5:31 pm
You're definitely on to something...
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Re: Guess what the Graph Shows!
by tubeswell » Wed Jun 22, 2016 6:31 pm
Okay... the visibility of something?
Or stars?
Or stars?
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station.
If you are seeing an apparent paradox, that means you are missing something.
If you are seeing an apparent paradox, that means you are missing something.
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Re: Guess what the Graph Shows!
by Arneb » Wed Jun 22, 2016 8:04 pm
On the, cough cough, contrary. Give the word, please. Please.
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Re: Guess what the Graph Shows!
by tubeswell » Thu Jun 23, 2016 12:23 am
Inability to see stars!
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station.
If you are seeing an apparent paradox, that means you are missing something.
If you are seeing an apparent paradox, that means you are missing something.
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Re: Guess what the Graph Shows!
by Arneb » Thu Jun 23, 2016 2:34 pm
Closest hit so far. and when you can't see the stars because you live in big bright Singaproe it's called....*drumroll*
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Re: Guess what the Graph Shows!
by Lianachan » Thu Jun 23, 2016 2:47 pm
Arneb wrote:Closest hit so far. and when you can't see the stars because you live in big bright Singaproe it's called....*drumroll*
Shitty?
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Re: Guess what the Graph Shows!
by Arneb » Thu Jun 23, 2016 4:20 pm
Please. PLEASE!
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Re: Guess what the Graph Shows!
by Lance » Thu Jun 23, 2016 6:20 pm
Light pollution?
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Re: Guess what the Graph Shows!
by tubeswell » Thu Jun 23, 2016 6:25 pm
Man, this is hard!
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station.
If you are seeing an apparent paradox, that means you are missing something.
If you are seeing an apparent paradox, that means you are missing something.
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Re: Guess what the Graph Shows!
by Lance » Thu Jun 23, 2016 6:26 pm
tubeswell wrote:Man, this is hard!
Yup. Still don't understand what the graph is trying to say. Maybe it will be clear once revealed.
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Build a man a fire and he will be warm for a few hours.
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Re: Guess what the Graph Shows!
by Arneb » Thu Jun 23, 2016 7:10 pm
Lance wrote:Light pollution?
YEEEEAAAAAHHHHH!
The graph is from a recent paper about global light pollution. The last one was from 2003, and it's gotten wose everywhere.
The graph shows data for theten countries worst affected by light pollution, Singapore taking the no. 1 spot. The graph sorts the degree of light pollution into several goups. The numbers represent muliples of natural backround sky brightness. Below 1.7, the sky is classified as "pristine"; below 14 it is degraded at the horizon, between 14 and 87, the degradation reaches up to the zenith. Up to 688, the natural sky (constellations, bright nebulae...) loses shape, between 688 and 3000, no Milky Way is visible. 3000 represents the threshhold above which cones are activated, that is, you can discern colours by the light of the sky alone!
In the graph, you can read which percentage of the population is exposed to which degree of degradation of the night sky - Everyone living in Singapore can see colours by night simply by watching the cloudless sky.
On to you, boss!
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Re: Guess what the Graph Shows!
by Lance » Thu Jun 23, 2016 10:18 pm
OOOOOOOOOOO-K. Now I get it. Thanks!
What is the unit being measured? It's not lumens, but what?
Give me a bit to find something...
What is the unit being measured? It's not lumens, but what?
Give me a bit to find something...
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However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Re: Guess what the Graph Shows!
by Lance » Thu Jun 23, 2016 10:45 pm
Okay, here you go:
(You'll probably want to click on it to expand it.)
(You'll probably want to click on it to expand it.)
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Set a man on fire and he will be warm for the rest of his life.
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Re: Guess what the Graph Shows!
by tubeswell » Fri Jun 24, 2016 1:01 am
Socialist-Greenie world spectrum
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station.
If you are seeing an apparent paradox, that means you are missing something.
If you are seeing an apparent paradox, that means you are missing something.
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Re: Guess what the Graph Shows!
by Lance » Fri Jun 24, 2016 1:17 am
Uh, let me check...
Nope.
Nope.
No trees were killed in the posting of this message.
However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Re: Guess what the Graph Shows!
by tubeswell » Fri Jun 24, 2016 8:23 am
something to do with money then
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station.
If you are seeing an apparent paradox, that means you are missing something.
If you are seeing an apparent paradox, that means you are missing something.
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Re: Guess what the Graph Shows!
by Arneb » Fri Jun 24, 2016 8:55 am
Lance wrote:OOOOOOOOOOO-K. Now I get it. Thanks!
What is the unit being measured? It's not lumens, but what?
Give me a bit to find something...
The numbers are dimensionless, they are just multiples of the brightness of a pristine night sky.
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Re: Guess what the Graph Shows!
by Lance » Fri Jun 24, 2016 4:14 pm
Arneb wrote:The numbers are dimensionless, they are just multiples of the brightness of a pristine night sky.
It looks like light levels of background pollution are measured in Millicandela. I get it completely now, and have learned something new. Thanks!
tubeswell wrote:something to do with money then
No, nothing to do with money at all.
It is a comparison of a natural characteristic.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Build a man a fire and he will be warm for a few hours.
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Re: Guess what the Graph Shows!
by Arneb » Fri Jun 24, 2016 6:08 pm
That's an interesting one. The high values seem to group around the equator, but themn tere are France, an Hungary. Alöso, Sudan is several brackets away from its neighbour, Ethiopia. Australia shared the quantity with Eastern Asia, while New Zealand doesn't - you might expect both to run either with Asia, or with Europe, but not separately.
Are the numbers percentages? Of the population maybe?
Are the numbers percentages? Of the population maybe?
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Re: Guess what the Graph Shows!
by Lance » Fri Jun 24, 2016 9:04 pm
Arneb wrote:That's an interesting one. The high values seem to group around the equator, but themn tere are France, an Hungary. Alöso, Sudan is several brackets away from its neighbour, Ethiopia. Australia shared the quantity with Eastern Asia, while New Zealand doesn't - you might expect both to run either with Asia, or with Europe, but not separately.
Some of the data wasn't surprising to me at all, while some of the other results were unexpected. And some was both disappointing but reassuring at the same time.
Arneb wrote:Are the numbers percentages? Of the population maybe?
No. It is an actual measurement of a natural phenomenon.
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However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Re: Guess what the Graph Shows!
by Lance » Sat Jun 25, 2016 6:04 pm
Need more?
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However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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Re: Guess what the Graph Shows!
by Arneb » Sat Jun 25, 2016 6:44 pm
Well, you chose well ecause it' hard. My problem with the numbers is, they don't ring any bell. The range of numbers is narrow, less than an order of magnitude, the colouring of the countries is
non intuitive and of course you didn't give units. So I am kinda stuck.
non intuitive and of course you didn't give units. So I am kinda stuck.
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Re: Guess what the Graph Shows!
by Lance » Sat Jun 25, 2016 7:04 pm
It is a comparison of an average between a portion of populations. The unit of measure is centimeters.
Here is a measurement of a different characteristic among the same groups. Also in cm.
Here is a measurement of a different characteristic among the same groups. Also in cm.
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No trees were killed in the posting of this message.
However, a large number of electrons were terribly inconvenienced.
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Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
However, a large number of electrons were terribly inconvenienced.
==========================================
Build a man a fire and he will be warm for a few hours.
Set a man on fire and he will be warm for the rest of his life.
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