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Sirius B
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Message 103736 - Posted: 29 Mar 2021, 13:29:37 UTC - in response to Message 103723.  

I'm beginning to think the Sci-Fi documentaries on Sony Movies were wrong. I actually watched one the other day where a hole in the ozone layer caused really cold air to appear and instantly freeze people solid.
Sounds like Artic Blast with Bruce Davison & Michael Shanks, a 2010 movie rather than a documentary.
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Profile Jord
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Message 103748 - Posted: 30 Mar 2021, 13:16:31 UTC

Bye bye SN11. Total failure.
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Grumpy Swede
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Message 103750 - Posted: 30 Mar 2021, 15:26:12 UTC

Yup, that didn't go well at all.....
Another SN failure, ending with a Kaboom.
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Peter Hucker of the Scottish B...
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Message 103751 - Posted: 30 Mar 2021, 17:37:09 UTC - in response to Message 103729.  

Good news: New research shows that we won't be killed by this giant asteroid for another 100 years.

Apophis asteroid will not hit Earth for 100 years, Nasa says
I'm beginning to think the Sci-Fi documentaries on Sony Movies were wrong. I actually watched one the other day where a hole in the ozone layer caused really cold air to appear and instantly freeze people solid.
Speaking about frozen people.
https://www.youtube.com/watch?v=cmcQKnxuN7s
Since humans are composed primarily of water, and so is lake Utah, one cannot freeze the other. If the lake was cold enough to do that, it would have been solid ice so he couldn't have "fallen into it".
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Peter Hucker of the Scottish B...
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Message 103752 - Posted: 30 Mar 2021, 17:37:40 UTC - in response to Message 103736.  
Last modified: 30 Mar 2021, 17:39:32 UTC

I'm beginning to think the Sci-Fi documentaries on Sony Movies were wrong. I actually watched one the other day where a hole in the ozone layer caused really cold air to appear and instantly freeze people solid.
Sounds like Artic Blast with Bruce Davison & Michael Shanks, a 2010 movie rather than a documentary.
Correct. I wrongly assumed something with Michael Shanks in it would have more of an element of truth, since he was a major character in Stargate.

I know it's a movie, didn't you realise I was joking when I said "Sci-Fi documentaries on Sony Movies"? No such thing as a Sci-Fi documentary. And Sony Movies shows.... Movies!

If you've already watched that, be worried that you're more like me than you want to be. If you googled it, you're a bloody cheat.
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Profile Gary Charpentier
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Message 103757 - Posted: 30 Mar 2021, 20:39:56 UTC - in response to Message 103751.  

Since humans are composed primarily of water, and so is lake Utah, one cannot freeze the other. If the lake was cold enough to do that, it would have been solid ice so he couldn't have "fallen into it".

Where logic meets physics. Try the First Law. Also observe the freezing point changes with dissolved salts. Include the temperature of air and the dew point. Things are never as simple as you wish.
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Sirius B
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Message 103764 - Posted: 31 Mar 2021, 7:52:57 UTC - in response to Message 103752.  

If you've already watched that, be worried that you're more like me than you want to be.
Nope.
If you googled it, you're a bloody cheat.
Nope
Computer/Films(J)/Artic Blast (2010).
Along with several thousands more of all genres.
As for the film itself, not too bad, but in my opinion, could've got a better actress to play his daughter.
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Peter Hucker of the Scottish B...
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Message 103770 - Posted: 31 Mar 2021, 18:03:49 UTC - in response to Message 103757.  

Since humans are composed primarily of water, and so is lake Utah, one cannot freeze the other. If the lake was cold enough to do that, it would have been solid ice so he couldn't have "fallen into it".

Where logic meets physics. Try the First Law. Also observe the freezing point changes with dissolved salts. Include the temperature of air and the dew point. Things are never as simple as you wish.
I don't have to look anything up to know that something at 0C cannot cool something at 37C down to 0C for a very long time, and it will never cool it to below 0C unless there's evaporation. So, no instant freezing.
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Peter Hucker of the Scottish B...
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Message 103771 - Posted: 31 Mar 2021, 18:04:54 UTC - in response to Message 103764.  

If you've already watched that, be worried that you're more like me than you want to be.
Nope.
If you googled it, you're a bloody cheat.
Nope
Computer/Films(J)/Artic Blast (2010).
Along with several thousands more of all genres.
As for the film itself, not too bad, but in my opinion, could've got a better actress to play his daughter.

You haven't watched it, but you have it on your computer? In that case you are like me and are running a pirate film server.

As for the film itself, the inaccuracies annoyed me too much.
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Profile Dave
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Message 103773 - Posted: 31 Mar 2021, 18:42:39 UTC - in response to Message 103770.  

I don't have to look anything up to know that something at 0C cannot cool something at 37C down to 0C for a very long time, and it will never cool it to below 0C unless there's evaporation. So, no instant freezing.


However water with dissolved salts in it can be liquid below 0C and so freeze something else.
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robsmith
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Message 103774 - Posted: 31 Mar 2021, 18:43:53 UTC - in response to Message 103770.  

Oh dear, you are so, so so lacking in the basics of how refrigeration works. I could freeze you into a solid block of ice using water at 4C in an airflow of about 10m/s. Given enough water, or a higher air speed it might take a minute or so. (This is how some meat chilling systems work)
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Profile Gary Charpentier
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Message 103775 - Posted: 31 Mar 2021, 19:28:31 UTC
Last modified: 31 Mar 2021, 19:29:33 UTC

Obviously never made ice cream or seen why roads are salted.
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Barn Owl
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Message 103777 - Posted: 31 Mar 2021, 21:02:37 UTC

This is starting to become a bit of a rant.
Perhaps it's time to end it.
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betreger
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Message 103779 - Posted: 31 Mar 2021, 22:24:50 UTC - in response to Message 103774.  

Oh dear, you are so, so so lacking in the basics of how refrigeration works. I could freeze you into a solid block of ice using water at 4C in an airflow of about 10m/s. Given enough water, or a higher air speed it might take a minute or so. (This is how some meat chilling systems work)

This just comtinues a long established trend.
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Profile Jord
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Message 103781 - Posted: 1 Apr 2021, 7:11:04 UTC

I was watching a video about "The Secret of Synchronization" last night and in it they show how ice forms. Watch it from https://youtu.be/t-_VPRCtiUg?t=549, although watching the whole thing is really interesting. As are all videos of Veritasium. Anyway, ice forms not gradually, but goes from water, water, water changing to ice almost instantly.
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Peter Hucker of the Scottish B...
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Message 103788 - Posted: 1 Apr 2021, 17:53:45 UTC - in response to Message 103777.  

This is starting to become a bit of a rant.
Perhaps it's time to end it.
This is the thread for rants. The thread you move things to when you don't like them elsewhere, now you don't like them here. There's no pleasing some people.
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Peter Hucker of the Scottish B...
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Message 103789 - Posted: 1 Apr 2021, 17:55:18 UTC - in response to Message 103774.  

Oh dear, you are so, so so lacking in the basics of how refrigeration works. I could freeze you into a solid block of ice using water at 4C in an airflow of about 10m/s. Given enough water, or a higher air speed it might take a minute or so. (This is how some meat chilling systems work)
What air is flowing inside a lake?

I don't have to look anything up to know that something at 0C cannot cool something at 37C down to 0C for a very long time, and it will never cool it to below 0C unless there's evaporation. So, no instant freezing.


However water with dissolved salts in it can be liquid below 0C and so freeze something else.
Salt lake is it? And seawater actually freezes at about -2.5C, not low enough to freeze a person. Lewis Pugh has swum in it.
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Profile Gary Charpentier
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Message 103790 - Posted: 1 Apr 2021, 18:20:53 UTC - in response to Message 103789.  

What air is flowing inside a lake?
People and ice float. Then again if he hit play he might have more information ...
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Peter Hucker of the Scottish B...
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Message 103791 - Posted: 1 Apr 2021, 18:28:58 UTC - in response to Message 103790.  

What air is flowing inside a lake?
People and ice float. Then again if he hit play he might have more information ...
So 95% of him was in 0C water. That won't freeze him. 5% of him (not a lot) is damp and exposed to very cold air, too cold to cause evaporation. Where exactly is all that body heat moving to?
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Profile Gary Charpentier
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Message 103795 - Posted: 1 Apr 2021, 23:16:59 UTC - in response to Message 103791.  

What air is flowing inside a lake?
People and ice float. Then again if he hit play he might have more information ...
So 95% of him was in 0C water. That won't freeze him. 5% of him (not a lot) is damp and exposed to very cold air, too cold to cause evaporation. Where exactly is all that body heat moving to?
Then again if hit play he might have more information.
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