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Type: Posts; User: ddavis
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08-10-2020, 02:37 PM
Thread: massive explosion in Beirut
by ddavis- Replies
- 35
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- 6,550
I can tell a lot less than you might think from...
I can tell a lot less than you might think from the videos. I can see that it is a deflagration-to-detonation transition (DDT; you can read about this in Wikipedia). I can see the water and NO2...
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08-10-2020, 02:03 PM
Thread: massive explosion in Beirut
by ddavis- Replies
- 35
- Views
- 6,550
Man, you guys like your conspiracy theories. I...
Man, you guys like your conspiracy theories. I work with rocket propellant/motors for a living (nearly 40 years now). I have only worked with AN containing motors once, for a very brief period of...
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08-06-2020, 07:42 AM
Thread: Beirut Explosion, may have been an attack?
by ddavis- Replies
- 13
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- 2,797
The videos show what looks like (to me) a classic...
The videos show what looks like (to me) a classic deflagration (fast burn) to detonation (the explosion) transition. For that big a pile of ammonium nitrate, stored for several years near a lot of...
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07-11-2019, 10:02 AM
Thread: Earthquake
by ddavis- Replies
- 56
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- 14,467
I'm kind of surprised you guys didn't notice what...
I'm kind of surprised you guys didn't notice what is right next to Ridgecrest, where the epicenter was.
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03-15-2019, 01:25 PM
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No it hasn't. The claim that it has was refuted....
No it hasn't. The claim that it has was refuted. Thoroughly. Where are you getting your information?
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03-15-2019, 11:21 AM
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No, actually, it hasn't. NASA has a site...
No, actually, it hasn't. NASA has a site discussing this very thing. The guy who came up with that claim used some dodgy analysis methods, as pointed out in the paper referenced below (the...
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03-12-2019, 01:08 PM
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I've learned to check these claims, because they...
I've learned to check these claims, because they are invariably false. This is no different - it is false. It's an old claim that was apparently made last Nov, and debunked. Here's what the actual...
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06-03-2018, 03:12 PM
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[Beta] Great TR. Thanks for the info!
Great TR. Thanks for the info!
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10-17-2017, 08:27 PM
Thread: [VIDEO] Taylor Canyon Fall Colors
by ddavis- Replies
- 1
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- 1,278
Very nice. Thanks for posting.
Very nice. Thanks for posting.
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10-13-2017, 08:10 AM
Thread: Hiking Suggestions for Jasper NP (Canada)
by ddavis- Replies
- 6
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- 7,120
I'm not sure what you mean. We took 93 from...
I'm not sure what you mean. We took 93 from Banff to Jasper (it took 4 hours because we stopped at so many scenic spots), then up 16 to Maligne Lake rd. Maligne Canyon is at the start of the road;...
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10-12-2017, 11:01 AM
Thread: Hiking Suggestions for Jasper NP (Canada)
by ddavis- Replies
- 6
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- 7,120
Thanks for the suggestions, but unfortunately...
Thanks for the suggestions, but unfortunately they came a couple of days after I had left for this trip. I've only been back a week or so. I picked up a friend in Missoula for a trip to Glacier,...
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07-21-2017, 04:51 PM
Thread: Hiking Suggestions for Jasper NP (Canada)
by ddavis- Replies
- 6
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- 7,120
Hiking Suggestions for Jasper NP (Canada)
I'm planning to spend a few days in Jasper NP in late Sept/early Oct, but I don't know the area at all. So I'm looking for some hiking suggestions for the park. I'd also love any tips for the better...
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02-10-2017, 12:30 PM
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A not-scandal, you mean. This is what the...
A not-scandal, you mean. This is what the whistleblower himself has to say:
https://skepticalscience.com/bates-knew-people-would-misuse-accusations-to-attack-climate-science.html
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02-08-2017, 01:32 PM
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2016 was the hottest year ever. It's the third...
2016 was the hottest year ever. It's the third record breaking year in a row:
https://www.scientificamerican.com/article/2016-was-the-hottest-year-on-record/
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01-25-2017, 12:41 PM
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I can't help much with policy or mitigation...
I can't help much with policy or mitigation (although I might be able to provide some links), but maybe I can with the other. What do you want to know?
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01-20-2017, 06:19 PM
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Then we both need to read more carefully. From...
Then we both need to read more carefully. From the summary I linked to: "In Colorado, temperatures have increased by approximately 2ºF between 1977 and 2006. Increasing temperatures are affecting...
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01-20-2017, 04:55 PM
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It wouldn't be the first time put my foot in my...
It wouldn't be the first time put my foot in my mouth because I didn't read something carefully enough. However in this case, my question to you was an honest one. I didn't understand what you were...
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01-20-2017, 03:35 PM
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And I guess I'll respond to your graphic too, at...
And I guess I'll respond to your graphic too, at least to point out that statistics=/=data. The data you are claiming is faked is just data. No statistics involved. Statistics don't get involved...
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01-20-2017, 03:22 PM
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So you are accusing these guys of falsifying...
So you are accusing these guys of falsifying their data. Because you believe that everyone does. Including you? There are direct personal economic impacts to data you generate and the results of...
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01-20-2017, 02:17 PM
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In my world, 'show me don't tell me' means I want...
In my world, 'show me don't tell me' means I want to see your derivations and your math. That supposes I have the background necessary to understand those derivations and the math. And that I have...
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01-20-2017, 02:11 PM
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I'm not entirely sure I understand what you mean...
I'm not entirely sure I understand what you mean here. If you are saying that only a small fraction of the CO2 in the atmosphere is actually a greenhouse gas, then you are wrong. A greenhouse gas...
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01-20-2017, 10:40 AM
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I may as well add that David Archer also has a...
I may as well add that David Archer also has a text book (Global Warming - Understanding the Forecast) that you can buy, if you don't want to take the Coursera course. There are problems at the end...
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01-20-2017, 10:12 AM
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As for the models used in the course, the...
As for the models used in the course, the professor has them in a publicly accessible web site:
http://forecast.uchicago.edu/models.html
They are older models, so they aren't state-of-the art. ... -
01-20-2017, 10:00 AM
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Yeah, you're 'just sayin'. If you don't trust...
Yeah, you're 'just sayin'. If you don't trust the numbers being used, the raw data are available, and the adjustments are all explained. You can check what they did for yourself and see what you...
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01-19-2017, 02:45 PM
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Global warming is not made up, and there is no...
Global warming is not made up, and there is no controversy or argument about the different mechanisms that contribute, or to the contribution from the use of fossil fuels. Not among the people who...
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