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  #1601  
Old 31.10.2016, 19:22
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Re: Ask a Scientist

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I was crap at chemistry all the way until 2nd year Uni when I changed to pure math. Chemistry is to this day one of the most useful things that I was apparently unable to learn.
Problem I had with chemistry was most of the exam questions were about the exceptions which I found illogical!
Other sciences you learn the rules and theories!
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  #1602  
Old 31.10.2016, 23:48
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Re: Ask a Scientist

I think what I love about chemistry is that basically, it's cooking. With colors, perceptions, proportions, odors, sounds and capsules of something, little projects. But the structures and theories were hard to visualize and retain.

I know the effects of grades on our affection and motivation.
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  #1603  
Old 31.10.2016, 23:50
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Re: Ask a Scientist

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I think what I love about chemistry is that basically, it's cooking. With colors, perceptions, proportions, odors, sounds and capaule of something, little projects. But the structures and theories were hard to visualize and retain.

I know the effects of grades on our affection and motivation.
Being red/brown/green colour blind was also a handicap; what colour is the litmus paper!!
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  #1604  
Old 01.11.2016, 18:26
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Re: Ask a Scientist

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Being red/brown/green colour blind was also a handicap; what colour is the litmus paper!!
You are a daltonist?
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  #1605  
Old 01.11.2016, 18:35
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Re: Ask a Scientist

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Being red/brown/green colour blind was also a handicap; what colour is the litmus paper!!
I'm guessing that practical electronics wasn't exactly a great source of joy for you either - or did you have to use an ohmmeter when everyone else just picked the resistor up and muttered "Bad Boys Rape Our Young Girls But Violet Gives Willingly"?
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  #1606  
Old 01.11.2016, 19:21
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Re: Ask a Scientist

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You are a daltonist?
Just call me John
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  #1607  
Old 01.11.2016, 19:24
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Re: Ask a Scientist

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I'm guessing that practical electronics wasn't exactly a great source of joy for you either - or did you have to use an ohmmeter when everyone else just picked the resistor up and muttered "Bad Boys Rape Our Young Girls But Violet Gives Willingly"?
Electronics? In my day we never got beyond the Wheatstone Bridge
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  #1608  
Old 01.11.2016, 19:33
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Re: Ask a Scientist

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You are a daltonist?
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Just call me John
Possible misunderstanding here... In French and many other languages "daltonian" means colour blind. Bizarrely, considering that John Dalton was British, the British do not have any idea what that word might mean. In English, we just say "Colour blind".

By the way, me too. I found out long ago whilst losing a perfectly good job with a dye company .

Last edited by FrankZappa; 01.11.2016 at 19:48. Reason: Improved
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  #1609  
Old 01.11.2016, 20:57
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Re: Ask a Scientist

Has the double-slit experiment been attempted with potatoes rather than electrons?
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  #1610  
Old 01.11.2016, 21:03
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Re: Ask a Scientist

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Has the double-slit experiment been attempted with potatoes rather than electrons?
How do you think Pringles are produced? The original idea was called "Singles", but production found the 2nd slit gave better crisps so they changed them to Pairingles. Marketing shortened it to the brand we know and love.
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  #1611  
Old 01.11.2016, 21:49
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Re: Ask a Scientist

Brilliant; that explains their wavy shape!
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  #1612  
Old 01.11.2016, 21:51
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Re: Ask a Scientist

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Brilliant; that explains their wavy shape!
Actually, they have properties of both waves and particles.
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  #1613  
Old 02.11.2016, 09:43
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Re: Ask a Scientist

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Possible misunderstanding here... In French and many other languages "daltonian" means colour blind. Bizarrely, considering that John Dalton was British, the British do not have any idea what that word might mean. In English, we just say "Colour blind".

By the way, me too. I found out long ago whilst losing a perfectly good job with a dye company .
Daltonist exists, but I think you are right that it is far less frequent than daltonian in French, we also use it back home. Daltonist in fact in psy terminology is just a particular color-scheme colorblindness, there are different abnormalities and different terms, but I wonder how much the terminology changed these days.

We had those tests around at home when I was little, it was always my favorite thing to play with. My girl's, too. It was interesting to imagine some people do not see the same thing. We checked out not long ago a library book about different visual (mis)perception of people and the one of animals, it is incredible!
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  #1614  
Old 02.11.2016, 09:50
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Re: Ask a Scientist

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Has the double-slit experiment been attempted with potatoes rather than electrons?
Being a teeny bit serious for a second, the result would show that potatoes are not dominated by quantum effects. I know that it works for neutrons, that are much bigger. Googling tells me that it works for helium atoms too.

As a fully paid-up geek, I think it's fascinating how the weird quantum world can impact our "normal" world.
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  #1615  
Old 02.11.2016, 10:03
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Re: Ask a Scientist

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Being a teeny bit serious for a second, the result would show that potatoes are not dominated by quantum effects. I know that it works for neutrons, that are much bigger. Googling tells me that it works for helium atoms too.

As a fully paid-up geek, I think it's fascinating how the weird quantum world can impact our "normal" world.
It is indeed a question of scale. A whole potato tends to occupy a specific location in time/space. But if you use a peeler on them (peelers are a quite similar to a single slit) most particularly if you move the peeler very fast, or allow a young child to do the peeling then you will find that a single potato can occupy the vast majority of a kitchen.

Eddington shouldn't have written about tables in "The Nature of the Physical World", he should have written about potatoes. Perhaps if he had been Irish...
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  #1616  
Old 02.11.2016, 11:40
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Re: Ask a Scientist

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Daltonist exists, but I think you are right that it is far less frequent than daltonian in French, we also use it back home. Daltonist in fact in psy terminology is just a particular color-scheme colorblindness, there are different abnormalities and different terms, but I wonder how much the terminology changed these days.

We had those tests around at home when I was little, it was always my favorite thing to play with. My girl's, too. It was interesting to imagine some people do not see the same thing. We checked out not long ago a library book about different visual (mis)perception of people and the one of animals, it is incredible!
Usually in UK we used the term Daltonism; anyway that is what they said when I was diagnosed over 60 years ago. Maybe this term did not pass the test of time.
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  #1617  
Old 02.11.2016, 11:47
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Re: Ask a Scientist

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Usually in UK we used the term Daltonism; anyway that is what they said when I was diagnosed over 60 years ago. Maybe this term did not pass the test of time.
I knew you would know the term
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  #1618  
Old 08.11.2016, 08:59
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Re: Ask a Scientist

My question is: Of those thousands if not millions of sperm who rushed to infiltrate my mother's egg, one 'won' - and that's me. Supposing however it had been another one would I be the same person?
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  #1619  
Old 08.11.2016, 09:01
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Re: Ask a Scientist

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My question is: Of those thousands if not millions of sperm who rushed to infiltrate my mother's egg, one 'won' - and that's me. Supposing however it had been another one would I be the same person?
What do you define as the same person? Physical characteristics? Preferences in food/clothes etc.? Your behaviour/personality?
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  #1620  
Old 08.11.2016, 09:56
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Re: Ask a Scientist

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My question is: Of those thousands if not millions of sperm who rushed to infiltrate my mother's egg, one 'won' - and that's me. Supposing however it had been another one would I be the same person?
No, certainly not -- in just the same way as you wouldn't be the same person as your identical twin, had that zygote that eventually became you split in two.
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