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Max The Magnificent
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Gearing Up for a Total Solar Eclipse
Max The Magnificent   8/16/2017 9:56:04 AM
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See also my latest column that contains all sorts of nitty-gritty details: Gearing Up for a Total Solar Eclipse

Max The Magnificent
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Re: Pythagorean Day
Max The Magnificent   8/15/2017 1:08:53 PM
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@Squirrelwhispher: "Today is a Pythagorean Day because 8 15 and 17 form a Pythagorean Triple..."

Dang -- I wish I'd worn appropriate clothing!!!

squirrelwhispher
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Pythagorean Day
squirrelwhispher   8/15/2017 12:47:41 PM
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Today is a Pythagorean Day because 8 15 and 17 form a Pythagorean Triple. Has there ever been a solar eclipse on a Pythagorean Day? I'm watching it on tv because I need my eyes and I saw the one in 1979 and it wasn't that big a deal. Just another chance to verify Einstein's Theory of Gravity and to sell smoked glass. 

https://www.timeanddate.com/holidays/fun/pythagorean-theorem-day

MeasurementBlues
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Re: 2024
MeasurementBlues   8/14/2017 4:55:43 PM
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"will you be attending that one?"

I hope so

Max The Magnificent
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Re: Fake glasses
Max The Magnificent   8/14/2017 4:03:36 PM
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@MeasurementBlues: I read the other day about fake eclipse glasses starting to appear online....

I heard that too -- if you look at an incancecent or flurescent light through them and you can see any light, don;t use them to view the eclipse -- even 1% of the sun's light is enough to cause retinal scarring

Max The Magnificent
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Re: 2024
Max The Magnificent   8/14/2017 4:01:47 PM
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@MeasurementBlues: April 8, 2024 is the next one. It passes directly over Niagra Falls, then over Rochester, upstate NY, northern new Englans, and into Atlantic Canada.

That's right -- will you be attending that one?

MeasurementBlues
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Fake glasses
MeasurementBlues   8/14/2017 3:59:40 PM
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I read the other day about fake eclipse glasses starting to appear online. NASA has a page of approved glasses and where to buy them.

https://eclipse2017.nasa.gov/safety

 

MeasurementBlues
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2024
MeasurementBlues   8/14/2017 3:57:36 PM
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April 8, 2024 is the next one. It passes directly over Niagra Falls, then over Rochester, upstate NY, northern new Englans, and into Atlantic Canada.

Max The Magnificent
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Re: The Tree Effect
Max The Magnificent   8/14/2017 10:07:24 AM
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@dong: "...Another variation of the pin-hole camera is to use a flat mirror. The mirror acts as a large "pin-hole", *and* it redirects the light so you can shine it on a nearby wall..."

This is a GREAT suggestion -- thanks for sharing it -- I will try this myself

 

betajet
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Re: The Tree Effect
betajet   8/12/2017 3:45:03 PM
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Thank you for the suggestion!  I'll have to give that a try.  I'm in the SF Bay Area so I should get 0.8 magnitude around 10:15 AM PDT according to greatamericaneclipse.com.  Now I have a week to find a suitable wall.  There's a great one next door, but only for mid-to-late afternoon.

I'll look on campus.  Good opportunity to impress undergraduates :-)

 

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