I don’t think there is anything complicated about the idea that you can’t use cool air to cool something else to a temperature below that of the air.
Sure you can. Evaporative cooling, vortex tubes.
this isn’t about pressurised gases or (JT) adiabiatic expansion across an orifice, the specific example was as follows:
Subsea control valves operated by hydraulic fluid (water / glycol mix) and carried through umbilical lines from the Rig floor to the valves subsea. The umbilicals containing the control lines were exposed to atmospheric elements as before they entered the sea and routed subsea.
The air temperature was never lower than 2 degrees celsius. However with wind speeds upto 50 km/per hour this would feel to a warm blooded person -6
However, it is only actually 2 degrees.
My colleague a supposed degreed engineer could grasp this concept. Perhaps he was standing on a treadmill
Hmm, we used to use ice to cool things below the temperature of ice. Just add rock salt, crank for half an hour, and out comes yummy ice cream.
I was once shocked at what someone believed… he believed that a sufficient knowledge of thermodynamics to fully explain the concept of wind chill was such common and basic knowledge that for someone else to lack it was shocking.
You are not making that ice cream colder than the ice you used to make the ice+salt mixture.
My dad believes he can track the weekly lotto numbers over the past few years to predict the upcoming winning numbers.
The fact that his system has never worked has no impact on this belief.
Does he have a theory as to *how *previous number draws affect future ones? What mechanism is involved to make sure the 23 (say) is picked this time?
I was in a cab with a cabbie from Jamaiica who told me he figured out the lottery isn’t random, because (some mumbo about this week’s and last week’s was the same except three less the first number, five more the second, etc etc). The way he ranted though it was obvious his delusion the lotto was predictable was not his only problem so I just nodded politely.
Got this lovely thing in my email today:
http://www.ensignmessage.com/archives/porkfacts.html
She cut n pasted the whole thing, too. No idea why she sent it – the mailing list she posted it too is a listserv for my classmates from my social media marketing class. It has nothing to do with christianity or diet.
I’d love to pick her apart – aside from assuming anyone on the list cared, or that everyone is christian, I find it appalling that she apparently thinks a pig would choose to live in filth, if it had a choice. But it’s probably not worth it. She can be (and is often) pretty histrionic. Even a mild “Please don’t post irrelevant stuff to the list” would probably result in a meltdown. Sigh.
Ooookay..
Man, that website is all kinds of crazy. “The advancement of religion and the education of the public in respect of the faith and belief that Britain and the other Celto-Saxon nations are Israel.”
Oh. Well then.
I am guessing: British Israelism. No, it doesn’t make more sense when explained rationally.
I had a friend who was adamant that the meat in Subway subs was not real meat. She especially had it in for the bacon.
Classic example of how a superstition or crazy belief stems from a grain of truth. It’s well known in the statistical field that a proof of true randomness is the appearance of pseudo-patterns - so some numbers actually do show up more often than other. However, there is no ‘system’ to predicting which of these will be there any 1 week. But if longterm analysis reveals some numbers showing up more often than others, the system is legit.
I worked with a woman who believed that if you didn’t put the cover of the copy machine down when making a copy, it would make you sterile. And she had a college degree.
Much easier than a vasectomy, though!
I have mentioned this here before- I had a shift manager at a previous job who believed in all seriousness:
*The reason that it is called ‘going down south’ was because sea level is lower closer to the equator that one gets.
*That the best way to navigate through the Bering Strait is to keep the constellation known as the Southern Cross over your left shoulder.
*That unless you had it turned off at the breaker box, or something plugged into the power point, electricity leaked out of the sockets. [OK, technically at the quantum level this is sort of true.]
It’s something more along the lines of Christian Identity. British Israelism holds that the Jews were one of the 12 tribes of Israel, and this guy doesn’t. I don’t see anything in there about white supremacy, though, so maybe it’s something in between.
Erm… is that shocking because it’s not true, or because he had an opinion on how to navigate through the Bering Strait?
That would seem to be a very impractical way of keeping your bearings straight.