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Fun Science Videos

Icarus

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Re: Fun Science Videos
« Reply #105 on: March 30, 2019, 02:25:48 AM »
I suspect that re-arangement of molecular structures has influenced the refrationans of light waves?????   Is that clumsy supposition in the ball park Caleiasseia?


Your screen name is difficult, Please allow me to refer to you as Ms. C hereafter.  In any case, your posts are stimulating.

Tank

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Re: Fun Science Videos
« Reply #106 on: March 30, 2019, 07:49:40 AM »
I suspect that re-arangement of molecular structures has influenced the refrationans of light waves?????   Is that clumsy supposition in the ball park Caleiasseia?


Your screen name is difficult, Please allow me to refer to you as Ms. C hereafter.  In any case, your posts are stimulating.

'Ms C' is a Mr. :grin:
If religions were TV channels atheism is turning the TV off.
“Religion is a culture of faith; science is a culture of doubt.” ― Richard P. Feynman
'It is said that your life flashes before your eyes just before you die. That is true, it's called Life.' - Terry Pratchett
Remember, your inability to grasp science is not a valid argument against it.

Magdalena

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Re: Fun Science Videos
« Reply #107 on: March 30, 2019, 09:18:04 PM »
I suspect that re-arangement of molecular structures has influenced the refrationans of light waves?????   Is that clumsy supposition in the ball park Caleiasseia?


Your screen name is difficult, Please allow me to refer to you as Ms. C hereafter.  In any case, your posts are stimulating.

'Ms C' is a Mr. :grin:
:grin:

“I've had several "spiritual" or numinous experiences over the years, but never felt that they were the product of anything but the workings of my own mind in reaction to the universe.” ~Recusant

Caliasseia

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Re: Fun Science Videos
« Reply #108 on: March 31, 2019, 11:30:05 PM »
There are two reactions generating I- ions, one fast and one slow, and similarly, two reactions consuming the I- ions and converting them to free iodine. As long as the system is far from equilibrium, the reactions will continue, acting as feedback loops for each other. Arrange for different transition metal ions to be present during the I- generation phase, and the resulting iodide salts are strongly coloured. There's also starch in there, which of course forms a complex with free iodine that's a deep blue colour.
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hermes2015

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Re: Fun Science Videos
« Reply #109 on: April 01, 2019, 04:39:01 AM »
There are two reactions generating I- ions, one fast and one slow, and similarly, two reactions consuming the I- ions and converting them to free iodine. As long as the system is far from equilibrium, the reactions will continue, acting as feedback loops for each other. Arrange for different transition metal ions to be present during the I- generation phase, and the resulting iodide salts are strongly coloured. There's also starch in there, which of course forms a complex with free iodine that's a deep blue colour.

I find inorganic chemistry much more intimidating than organic chemistry, but I understood your clear explanation.
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Icarus

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Re: Fun Science Videos
« Reply #110 on: April 01, 2019, 05:11:02 AM »
Sorry about the Ms/Mr thing C..

Ever vigilant Tank forces me to pay closer attention

Tank

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Re: Fun Science Videos
« Reply #111 on: April 01, 2019, 09:15:27 AM »
Sorry about the Ms/Mr thing C..

Ever vigilant Tank forces me to pay closer attention

He's got long hair so it's an understandable mistake :grin:
If religions were TV channels atheism is turning the TV off.
“Religion is a culture of faith; science is a culture of doubt.” ― Richard P. Feynman
'It is said that your life flashes before your eyes just before you die. That is true, it's called Life.' - Terry Pratchett
Remember, your inability to grasp science is not a valid argument against it.

Icarus

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Re: Fun Science Videos
« Reply #112 on: August 11, 2019, 08:13:16 PM »
Here is a legitimate fun science video.  It is fun because Neil D, Tyson is animated as usual.   This guy is an extemporaneous speaker of remarkable ability.  This is a Q and A session.   Along about 14 minutes in, one of the questions is about religion.  He answers with class and respect for the questioner.   He also defeats the faith concept politely but decisively.

Worth the twenty minutes or so.  (well at least it is for me)