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Author Topic: Colour Blind  (Read 2413 times)

bigfella

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Colour Blind
« on: January 17, 2008, 10:36:16 pm »

Hi All

I just heard that Australia's latest Test Cricketer, Chris Rodgers, is colour blind. Now that is a serious handicap when you think that the two types of colours that Colour Blind people see as one are Green (grass) and Red (cricket balls). However I don't think the Aussies can make that excuse for their poor showing in the third test against India in Perth. You see what a game it is when the umpire doesn't miss crucial dismissals.

Regards David
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DickyD

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Re: Colour Blind
« Reply #1 on: January 17, 2008, 10:40:57 pm »

My son is seriously colour blind David and he has no problem playing cricket.
Green ball, red grass, no problem. :-\
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Marks Model Bits

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Re: Colour Blind
« Reply #2 on: January 17, 2008, 10:42:17 pm »

Perhaps they should put a bell in the ball so he will know when it's coming!! {-) {-) {-) O0

Mark.
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bigfella

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Re: Colour Blind
« Reply #3 on: January 17, 2008, 10:46:56 pm »

Hi Richard

I would have thought that fielding would have been a bit of a problem. Oh well that blows my theory out of the water.

Regards David
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Peter Fitness

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Re: Colour Blind
« Reply #4 on: January 18, 2008, 04:34:11 am »

I had an uncle who was colour blind. The family say he used to wear the most ghastly coloured clothes until he got married. Apparently his wife started doing his clothes shopping for him. {-) {-)
Peter.
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DickyD

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Re: Colour Blind
« Reply #5 on: January 18, 2008, 08:41:10 am »

At junior school my sons class had to grow plants for a project [ie mustard and cress] and then draw and paint pictures of them when they had grown.
His were the only ones that had red leaves.  :-\
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bigfella

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Re: Colour Blind
« Reply #6 on: January 18, 2008, 08:51:07 am »

It must play havoc when it comes to traffic lights. I don't know about you guys but subconsciously I look at least two sets ahead and if you see red you tend to be a little more cautious :police:

Regards David
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Red_Hamish

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Re: Colour Blind
« Reply #7 on: January 18, 2008, 11:00:03 am »

A little frippery here on the traffic lights  ;D What are they? There aren't any on the islands, well OK there are two sets of Pelican crossings on the North Road but that is it.  O0

cheers

Jim

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Re: Colour Blind
« Reply #8 on: January 18, 2008, 11:09:00 am »

Traffic lights are easy as long as they dont turn them upside down with the red at the bottom and the green at the top. ;)
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Welsh_Druid

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Re: Colour Blind
« Reply #9 on: January 18, 2008, 11:39:58 am »

A little frippery here on the traffic lights  ;D What are they? There aren't any on the islands, well OK there are two sets of Pelican crossings on the North Road but that is it.  O0

cheers

Jim

Isn't it wonderful - the nearest set of traffic lights from where I live is over 30 miles away  :)  Who would live in a city ?   Unfortunately just now is out of the holiday season so roadworks are everywhere - complete with poorly operated temporary traffic lights  >:(  Ah well roll on the Spring.

Don B.
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polaris

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Re: Colour Blind
« Reply #10 on: January 18, 2008, 11:42:19 am »


Dear All,
 
I think the test for anyone not colour blind to get an idea of what it must be like, is to endeavour to explain a colour to someone who has never seen a colour. You will find it is impossible since there is no reference point. I am not afflicted myself, but I know someone who has been this way all their life: the only way he can determine colours (this person in particularly - there are variations in the affliction obviously), is varying shades of grey. I asked him how he managed with traffic lights, and he stated the obvious - "you look for which light is on"! On asking all the other normal questions, the answer was "you get used to it", "and if in any doubt ask".

I suppose it's like deafness and blindness, one just gets used to a different world so to speak.

Regards, Bernard
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Tom Eccles

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Re: Colour Blind
« Reply #11 on: January 18, 2008, 04:50:36 pm »

From my point of view Polaris has it just about right.

I am red/green colour blind and as Polaris mentions, I see things in varying shades of grey. I wasn't even aware I had a problem until I was 21 and went to join the Army and promptly failed the colour perception test. All those coloured dots with a number picked out in other coloured dots meant absolutely nothing to me.

I ended up going to see a specialist who was sympathetic to me wanting to join up and, with a bit of prompting I eventually was classified CP3 (the minimum allowed for the trade I wanted to follow)
Every time I took a medical after that I failed the colour test and every time I was able to point to the letter from the specialist - it seems colour vision does not alter.

Rather more of a problem for me as someone who attempts to earn money from writing is that colour blindness is sometimes (often?) linked to dyslexia. In my case the letters i and e when placed next to each other are completely interchangeable. This can have unwanted consequences from time to time.

By Eck life is good!

Clegg
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Tom Eccles

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Re: Colour Blind
« Reply #12 on: January 18, 2008, 04:54:17 pm »

BTW.

PLEASE don't feel that the jokes have to stop just because I may be reading them. I love it!

Cheers
Clegg
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Tug-Kenny RIP

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Re: Colour Blind
« Reply #13 on: January 18, 2008, 07:27:57 pm »


I believe this was the reason they changed the colour of the mains wiring.

The live RED wire was confused with the others so they changed it to Brown. Conversely, they changed the BLACK neutral to BLUE.

Just to make sure, they changed the earth to striped yellow and green.

Ken

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Tom Eccles

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Re: Colour Blind
« Reply #14 on: January 18, 2008, 08:08:22 pm »

Strange thing about cable colours,
I served my apprenticeship at what is now Aerospace Systems (in those days it was the British Aircraft Corporation) working on aircraft such as Canberra, Lightning, Jaguar, TSR2 , Phantom and Concorde. As far as I remember all power lines were coloured brown (to me) and identified by letters/numbers not colours. The Army Air Corps Aircraft I worked on had the same system and anyway, I was airframes and engines.
When - VERY rarely - I had to get involved at the "leaky" end of an electrical cable I relied on labels to identify what went where, not colours.

Perhaps this is the reason why my Corps (R.E.M.E) did not refuse my application for transfer to the Intelligence Corps................. ;)

Cheers

Clegg
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Tug-Kenny RIP

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Re: Colour Blind
« Reply #15 on: January 18, 2008, 08:21:08 pm »


Hi Clegg

I still have cables in the workshop with the Red/Black/ Green combo wires. You sound like the sort of customer I'm after.  :D

Only joking.  I suppose it only becomes a problem if it's spotted.

I remember a school problem in 'English class' where we had to write an essay on how to describe a pair of shoes to a Fish.  (nothing better to do in the 1950's !!)

Cheers

Ken





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Tom Eccles

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Re: Colour Blind
« Reply #16 on: January 18, 2008, 08:38:56 pm »

Hi Ken,

Given that in the 50s it was assumed that a fish had a very short memory it would have had to be a very brief essay!

With my problem I suppose my favourite fish would be grey mullett.

Cheers
Tom
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gingyer

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Re: Colour Blind
« Reply #17 on: January 18, 2008, 11:49:03 pm »


I believe this was the reason they changed the colour of the mains wiring.

The live RED wire was confused with the others so they changed it to Brown. Conversely, they changed the BLACK neutral to BLUE.

Just to make sure, they changed the earth to striped yellow and green.

Ken

The reason behind the change was to "Harmonise" the UK cable colours with the rest of the EU.
The Live conductors use to be Red, Yellow, Blue for the 3 phases now they are
Brown, Black, Grey. Neutral changed from black to blue.
Earth to remain Green/Yellow
the reason the earth is striped is for people with colour blindness do not accidentally
connect it to the live which could kill someone
 
Colin
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Peter Fitness

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Re: Colour Blind
« Reply #18 on: January 19, 2008, 10:08:10 pm »

Australia adopted the brown, blue, green/yellow stripe system many years ago, yet only a few days ago I bought some 12v DC cable which was black and red, perhaps because 12v is not regarded as being dangerous.
Peter.
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malcolmfrary

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Re: Colour Blind
« Reply #19 on: January 20, 2008, 11:59:27 am »

Excellent idea retaining red and black for low voltage.  The last thing you want to do is to mix up mains supply and low voltage.
It might well be the last thing.
When I took my pre-apprentice exam, the training officer wandered through the room with some bits of faded coloured paper, doing what turned out to be a colour blindness check.  It was OK with the blue, orange, green and brown, but when I said "grey" he gained a concerned expression, and after a bit of prompting, got me to agree that it could be called "slate". 
The firm called "grey" "slate".  He was incapable of realising, having had it dinned into him for so long, that to an outsider, grey was any of those combinations of black and white without added colour, but a look out of the window would have revealed slates of varying shades of purple/blue and green, depending on where they came from.  No grey ones, though.
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omra85

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Re: Colour Blind
« Reply #20 on: January 20, 2008, 04:48:39 pm »

My dear old Dad (rip) was colour blind.  He played billiards for years but when snooker became popular he would always confuse which balls he had potted (usually mistaking a brown - 4 points, for a green - 3 points, or on a bad day, pink - 6 points for yellow - 2 points -   Hmmmm! )
I still remember the good old days, watching "Pot Black" on a black and white telly! Apart from the black and white, they were ALL grey  {-)

Danny
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dougal99

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Re: Colour Blind
« Reply #21 on: January 20, 2008, 05:19:58 pm »

Pot Black and the classic quote:

"For those of you watching in black and white, the the Pink is the one behind the Blue"   O0
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