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#4492138 - 08/18/17 05:51 PM Solar Eclipse
MolaKule Offline


Registered: 06/05/02
Posts: 19133
Loc: Iowegia - USA
This goes without saying but be forewarned:

http://cen.acs.org/articles/95/i33/Chemi...tm_campaign=CEN

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#4492142 - 08/18/17 06:00 PM Re: Solar Eclipse [Re: MolaKule]
BrocLuno Offline


Registered: 09/06/15
Posts: 5612
Loc: Kalifornia Kollective
I'm more interested in how things react on the ground ... How the critters act, etc.

Got my welding hood for the sun laugh
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4492146 - 08/18/17 06:03 PM Re: Solar Eclipse [Re: MolaKule]
Vern_in_IL Offline


Registered: 06/25/14
Posts: 1925
Loc: IL
Get in the Totality and you will not need shades during the dark time, just before and after you will need the shades.


Edited by Vern_in_IL (08/18/17 06:03 PM)
_________________________


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#4492230 - 08/18/17 07:20 PM Re: Solar Eclipse [Re: BrocLuno]
DeepFriar Offline


Registered: 10/31/13
Posts: 1387
Loc: Georgia
Originally Posted By: BrocLuno
I'm more interested in how things react on the ground ... How the critters act, etc


+1. I saw a partial in '83 and was fascinated with the reactions of birds and such. Definitely an event. We're right on the edge here and it'll be a good show.

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#4492301 - 08/18/17 08:56 PM Re: Solar Eclipse [Re: MolaKule]
BrocLuno Offline


Registered: 09/06/15
Posts: 5612
Loc: Kalifornia Kollective
Look like we'll be at Whiskeytown (lake) or Old Town Shasta - so should be 85% for us smile
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4492322 - 08/18/17 09:30 PM Re: Solar Eclipse [Re: MolaKule]
JHZR2 Offline



Registered: 12/14/02
Posts: 41884
Loc: New Jersey
I'm figuring we are in the 75%ish zone. Watch it rain or be cloudy at eclipse time...

I bought a large glass 1/100000 solar filter from a telescope company, so it's designed for safe sun viewing and has the ISO test behind it.

I took a freebie harbor freight led flashlight and let it shine through. It was interesting to see how the LEDs looked, but I'll admit that I still had a slight remnant spot on my eye for a minute or two after... so even the fest solar films and filters still should only be used sparingly and with care. I'll likely use live view in my camera to view with a long lens.... and then wear my $1.98 ISO eclipse glasses as well.

The mechanism proposed in the link is very interesting and probably sensible. I suppose the remnant glow after something like a flash bulb going off is due to a local overwhelming of the forward reaction, and as the reverse reaction starts to bring things back to equilibrium, it fades away... but stay too long and permanent oxidation and damage can occur. I had only ever heard of the magnifying glass theory...

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#4492326 - 08/18/17 09:37 PM Re: Solar Eclipse [Re: MolaKule]
bunnspecial Offline


Registered: 11/23/15
Posts: 778
Loc: US
96% here-I'm not venturing into totality.

Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

I called the local welding supply to ask about #14 goggles and the lady laughed and said that they've been sold out for 3 weeks and couldn't get more in stock.

I ordered some Thousand Oaks branded material to make a camera filter, but unfortunately Amazon is giving me an estimated delivery of Tuesday-so not a lot of good to me.
_________________________
2010 Lincoln MKZ-Mobil 1 5W-30
1970 MG MGB Roadster-Valvoline VR-1 20W-50

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#4492418 - 08/18/17 11:28 PM Re: Solar Eclipse [Re: MolaKule]
HawkeyeScott Offline


Registered: 01/11/07
Posts: 787
Loc: El Oeste
Great article. Makes me want to send a sample of eye goo to Blackstone for a UOA.

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#4492441 - 08/18/17 11:58 PM Re: Solar Eclipse [Re: bunnspecial]
ZeeOSix Offline


Registered: 07/22/10
Posts: 17896
Loc: PNW
Originally Posted By: bunnspecial
Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

And those counterfeit glasses probably had all the correct ISO numbers on them too, so how do you really know if they are safe to use? Knowing the source might help give confidence they are legitimate.

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#4492507 - 08/19/17 03:58 AM Re: Solar Eclipse [Re: bunnspecial]
Rick in PA Offline


Registered: 01/04/03
Posts: 3203
Loc: Southeastern, PA
Originally Posted By: bunnspecial
96% here-I'm not venturing into totality.

Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

I called the local welding supply to ask about #14 goggles and the lady laughed and said that they've been sold out for 3 weeks and couldn't get more in stock.

I ordered some Thousand Oaks branded material to make a camera filter, but unfortunately Amazon is giving me an estimated delivery of Tuesday-so not a lot of good to me.


We're at ~80% here. I'm expecting a fair number of workers at our plant will take 10 or 15 minutes to go outside at maximum.

We were joking about getting solar eclipse glass at work. Tuesday should be a good time to shop, good availability and low prices.

I might try to make a pin-hole camera obscura this weekend, just something quick, a cardboard box, some aluminum foil, wax paper and of course, duct tape. It'll be like I'm a kid again.
_________________________
A wise man told me:
"Heat is your friend." and "Any oil is better than no oil."

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#4492515 - 08/19/17 05:33 AM Re: Solar Eclipse [Re: MolaKule]
dnewton3 Online   content



Registered: 05/14/07
Posts: 7401
Loc: Indianapolis, IN
About 93% where I'm at.
I'm taking my welding helmet to work and will use my lunchtime to observe the "peak" for about an hour.
Hoping the weather is clear!
_________________________
The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money

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#4492793 - 08/19/17 12:28 PM Re: Solar Eclipse [Re: MolaKule]
sleddriver Offline


Registered: 02/06/10
Posts: 4704
Loc: Central Texas
Once again, the -cis & -trans forms (isomers?) make all the difference. Rather fascinating how chemistry works.

Thanks for posting!
_________________________
1998 Volvo V70 T5 226,808 mi. Original Owner.
M1 10W-30 HM
"It's never a mistake to buy tools, defined broadly. They're not a cost, they're an investment." - J.B. Peterson

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#4493564 - 08/20/17 10:56 AM Re: Solar Eclipse [Re: bunnspecial]
JHZR2 Offline



Registered: 12/14/02
Posts: 41884
Loc: New Jersey
Originally Posted By: bunnspecial
96% here-I'm not venturing into totality.

Unfortunately, glasses have become a hot commodity here. One of the local TV stations gave out several thousand pairs and had to recall them because they were counterfeit. The other TV stations in the area are supposed to be good.

I called the local welding supply to ask about #14 goggles and the lady laughed and said that they've been sold out for 3 weeks and couldn't get more in stock.

I ordered some Thousand Oaks branded material to make a camera filter, but unfortunately Amazon is giving me an estimated delivery of Tuesday-so not a lot of good to me.


Yikes! We got some from Lowe's... Hope theyre reputable...

Bought the real deal from a trusted telescope company for my camera. Im tempted to just observe thru live view on my camera, which ought to be the safest option...

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#4493603 - 08/20/17 12:01 PM Re: Solar Eclipse [Re: BrocLuno]
MolaKule Offline


Registered: 06/05/02
Posts: 19133
Loc: Iowegia - USA
Originally Posted By: BrocLuno
I'm more interested in how things react on the ground ... How the critters act, etc.

Got my welding hood for the sun laugh


A number of Amateur Radio operators are going to be doing experiments to see if propagation changes during the eclipse.

Should be interesting whether visual or electromagnetic. thumbsup


Edited by MolaKule (08/20/17 12:01 PM)

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#4493640 - 08/20/17 12:49 PM Re: Solar Eclipse [Re: MolaKule]
Yah-Tah-Hey Offline


Registered: 05/26/14
Posts: 3475
Loc: Columbus,Nebraska
$15.00 to watch what a flock of chickens will do. Somewhere out in the Sandhills of Nebraska.

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