Recent comments in /f/explainlikeimfive

Lirdon t1_jebcus9 wrote

So, there are quite a few issues with that. The animals we want to ressurect are those we had preserved remains of uncovered, like the wooly momoth from the siberian [no longer] permafrost. So we have good samples of their DNA. What else, we have similar animals, from the same family that can bare the offspring.

IIRC we didn't figure out bird cloning, as their reproduction is a bit weird, but I also think the dodo has no close relative species that can carry the egg.

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Midnight-Ran t1_jebbi4s wrote

It's close to even. But not exactly. The current population is approximately 51% female, 49% male. And that difference is almost entirely explained by the fact that women live longer.

Those extra 2% women are all elderly. The population of actually reproducing men and women is more or less equal.

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Riconquer2 t1_jeb9sg5 wrote

That's a correlation, not a cause. That just means those two items might be related. For example, it could be that people with mental issues choose to eat fast food more often due to poor planning or decision making. It could be that poor people tend to both have more fast food and have more mental illnesses.

Put simply, I'd hesitate to use that study as evidence of fast food causing mental health issues.

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85_bears t1_jeb9mrq wrote

Felix, buddy. You asked him why he thought fast food was linked to mental health. And he told you why.

He didn’t really suggest causation. He explained where he had read that they are potentially linked.

Are you always this condescending to five year olds?

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fubo t1_jeb9czm wrote

One formulation of Murphy's Law: "If there's more than one way to do a task, and one of those ways will lead to disaster, someone will do it that way."

Running this backwards: If you don't want someone to cause a disaster, you make it impossible to do the task that way.

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buildyourown t1_jeb9aft wrote

Tools wear. Every part is going to be a little different. Materials also aren't perfect. Even with lots of quality control 1 heat treat lot might be a little different than another. The grain structure of materials are going to vary slightly. Etc, etc.

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pjspui t1_jeb8yiz wrote

But there remains the problem of whether, and if so how, the hare actually does move through an infinite number of states in reality, which is why you still see some people arguing that the paradox is unresolved, or at least that it requires a more elaborate solution than pointing out that an infinite geometric series can have a finite sum (which doesn't actually need calculus, and I think was known by some Greeks slightly less Ancient than Zeno).

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MathiasMi t1_jeb8p3i wrote

We live near the Intel fabrication plant. They have a thing called "The Million Dollar Mistake" where a fab tech will drop the freshly cured silicon sheet for making microchips. Its about a million dollars worth of potential product and EVERY EMPLOYEE has dropped it at some point.

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csl512 t1_jeb8fqm wrote

Better way can also include stuff like https://en.wikipedia.org/wiki/Poka-yoke to make it more resistant to human errors.

Like if you have part A1, A2, and A3 that all can go into square hole B, but you actually want them to go through corresponding holes B, C, and D, then you could make it so it is physically impossible to put them all through the square hole.

An everyday example would be electrical connectors with different sized blades, or that can only be connected in a certain orientation because they aren't symmetrical.

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slimsag t1_jeb7o12 wrote

> Sauerkraut is a salt fermentation, but not with a brine

Sauerkraut is made with the immense amount of water that is in cabbage, and salt, i.e. a brine. Brine is just salty water. When you add salt to cabbage as you do when making Sauerkraut, you literally end up with brine and cabbage. Sauerkraut is pickled food because it is a food preserved in a brine, in this case through fermentation.

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Interesting_Suspect9 t1_jeb6wda wrote

Thats a large chunk of my job.
I'm a process improvement specialist.

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My role is to observe existing processes for loopholes and bottlenecks, and identify areas of improvement.
I think create the solutions, or a new process entirely and train the teams on how to use it.

Many companies don't invest in Process optimization, though they should.
You'll be amazed at how clunky the resources allocation process is, and how much it costs the company in tech debt and money.

My main goal is make a process as efficient as possible, so that in the long run, it will save the company time and money.

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simplyaless t1_jeb6g90 wrote

Here is a link that might help.. https://www.livewelldorset.co.uk/faq/lose-weight/how-does-food-affect-mental-health/

"Fast food is typically high in saturated fats, trans fats, and omega-6 fatty acids. While in smaller doses, some of these fats are beneficial and, in fact, necessary for brain function, an excess can trigger an inflammatory response. The inflammation has links to anxiety and depression from past research."

https://www.latimes.com/food/sns-dailymeal-1863330-healthy-eating-fast-food-mental-distress-study-121817-20171218-story.html

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TL;DR the fats and chemicals in the fast food can trigger an inflammatory response which is linked to mental health issues.

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its-a-throw-away_ t1_jeb5m89 wrote

The old fire triangle was changed to the fire "tetrahedron" which includes "chemical reaction" after chemical extinguishants were developed that solely disrupt the ability for oxygen and fuel to combine quickly enough to sustain fire. These extinguishants do not displace oxygen or fuel, or absorb heat, but inhibit the reaction itself as a catalyst's functional opposite.

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Any-Growth8158 t1_jeb55bg wrote

They don't. They're all slightly different, but mostly the same.

They specify that the components be made within a certain tolerance for dimensions and other properties. They are designed that as long as the parts are within those tolerance the composite machine will work as intended. You can replace any part with another part that meets the original specifications and it'll work.

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Oldirtybastard58346 t1_jeb530p wrote

The large advantage to a greenhouse is being able to consistently control the environment in which the plants reside.

Plants outside are subject to too much or too little rain, too cold or too hot temperatures, etc.

In a greenhouse you have a greater degree of control over environmental conditions. You can control hydration, you can control temperature (to some extent), etc.

The main benefit is that this enables to you to grow plants during seasons where the plants would not be able to survive outdoors, as well as insure against natural fluctuations in expected environmental conditions.

TL;DR its not necessarily more efficient as it is more convenient.

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