Recent comments in /f/explainlikeimfive

Flair_Helper t1_iycco8r wrote

Reply to Eli5 dying in your sleep by Twilton26

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Flair_Helper t1_iyccatb wrote

Reply to ELI5: What is the difference between an atomic bomb and an "H" bomb? by astarredbard

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Arrasor t1_iycc6yv wrote

Reply to Eli5 dying in your sleep by Twilton26

Really depend on what actually kill you while you're sleeping. Is it old age and your system just shut down on its own, or internal bleeding, or a stroke.... So yes to both, you can just slide off into unconsciousness and slip away and not feel anything or you can also got wake up, suffer a burst of pain then die.

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Flair_Helper t1_iycc61h wrote

Reply to ELI5 why we first multiply, then add by TheManNamedPeterPan

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euclid316 t1_iycc612 wrote

Reply to ELI5 why we first multiply, then add by TheManNamedPeterPan

It's a convention, but it's a convention people have had a chance to argue about for well over 1000 years. For the mathematics developed over the last thousand years, it's a better convention. If one is only looking at arithmetic on integers, though, the advantages aren't so clear.

Any math at the high school algebra level or beyond requires extensive manipulation of unknown quantities (variables). Almost always the thing you want when manipulating a variable is for there to be only one copy of it in an equation. In order to convert an equation into this form you gather terms and factor (i.e., you apply the distributive law in reverse), ending up with a single multiple of your variable in your manipulated equation. Work with linear equations, polynomials, or integrals relies very heavily on doing this sort of thing, and it's just awkward to write out the result if your convention is that addition is performed first.

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SmokingAlpaca t1_iycc06p wrote

Reply to Eli5 dying in your sleep by Twilton26

Once a friend of mine had a dream where he knew that his heart has stopped. He was feeling calm yet little edgy because he 'was aware' of the situation. He told me that he could feel/know or hear that someone "said" it wasnt his time to go yet, so he would hit himself in the chest few times and say 'lets just jumpstart the heart again' while feeling super calm or 'normal/natural', and he woke up with a pain in his chest, right above his heart where he hit himself in that dream. He was sleeping with a sport watch on his wrist, which he had forgotten to take off, he checked the info about his heartrate the same day and was little shooked, because it showed that his heartbeat had gone waayyyy too low during that night, around 30bpm.. so he didn't know about it until he "woke up" in that dream-like state.

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mikeholczer t1_iycbvlc wrote

Reply to comment by [deleted] in eli5 Are GMT and UTC timezones somehow different? If so, how? by CrispyDairy

There can be as much as a second difference between GMT and UTC times, which is why we’ve been adding leap seconds ever few years to UTC. Starting in 2035, it’s been determined that we will stop adding leap seconds to UTC, so at that point UTC and GMT times will start to drift more, but still likely only by a few seconds. I don’t believe it’s been determined what we’ll do when the gap becomes greater.

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Kalirren t1_iycbj65 wrote

Reply to comment by Way2Foxy in ELI5 why we first multiply, then add by TheManNamedPeterPan

No, there -is- something forcing us to do it this way: * distributes over + but + doesn't distribute over *. So if you want to write the distributive property a*(b+c) = a*b+a*c you don't have to use ANY parentheses if you do * before +. And there's no reason why you would try to do it the other way because a+(b*c) != (a+b) * (a+c).

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Flair_Helper t1_iycbc5j wrote

Reply to ELI5: Why do people with a few chest gunshot wounds usually die either in minutes to days after receiving necessary surgery? by AltAccAur

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Figuurzager t1_iycb98g wrote

Reply to Eli5 dying in your sleep by Twilton26

Depends on where you die off, not everything Waked you up or hurts. Many ways of daying include lost consciousness anyway even if you're awake think of monooxide poisoning for example.

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remarkablemayonaise t1_iycb5nw wrote

Reply to eli5 Are GMT and UTC timezones somehow different? If so, how? by CrispyDairy

If you ever get into a situation where there's a problem because you used the wrong one you'll know more than anyone on this sub already!

"Greenwich Mean Time (GMT) is often interchanged or confused with Coordinated Universal Time (UTC). But GMT is a time zone and UTC is a time standard."

There are different time standards. Some add and remove leap seconds based on the real orbit of the Earth. Others don't. All time zones follow UTC with offsets of down to 15 minutes. GMT happens to be UTC+0h00m.

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