Recent comments in /f/explainlikeimfive

Flair_Helper t1_iy394ln wrote

Reply to Eli5: Why did ships and navies come up with their own system of units (nautical miles, knots, fathoms, etc)? Is it still used? by Dewi2020

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Flair_Helper t1_iy38w75 wrote

Reply to ELI5 in football, why can't the offense hand the ball to a very light person, and hammer throw them toward the line of scrimmage repeatedly? by adunndevster

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Flair_Helper t1_iy38pv4 wrote

Reply to Eli5: Old Three Stooges episodes show people occasionally breathing into paper bags as some sort of remedy for emergency situations involving stress or trauma… what was the belief then and what do we now know better about the practice? by coffeygrande

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Flair_Helper t1_iy38lkb wrote

Reply to ELI5: Health insurance basics. What are copay and deductibles and can you use them in some basic examples? by OvernightSiren

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Flair_Helper t1_iy38h1u wrote

Reply to ELI5 What exactly is a shaman? by [deleted]

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InflationOk2641 t1_iy37xes wrote

Reply to comment by spddemonvr4 in ELI5: how are chinese protesters able to post videos with the great chinese firewall controlling internet? by TImetalker

Perhaps but from experience, I setup a VPN endpoint on a server in France, then went over to China. I could connect to the VPN but I got just 1-2 minutes of access before it was blocked.

That firewall is fairly smart and I would think is doing some dynamic blocking based on the packet contents.

You're might have more success if you used stenography, hiding each byte in a stream of ASCII text

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Laerson123 t1_iy37q8v wrote

Reply to ELI5: how are chinese protesters able to post videos with the great chinese firewall controlling internet? by TImetalker

1- The Chinese firewall doesn't control the internet, it only blocks access to some sites from within ISPs located there. Anyone can set a VPN, and it isn't illegal, even the government provides VPN.

2- Some areas aren't under this protection, like Hong Kong.

3- For things like the lockdown "protests" (that are basically color revolutions funded by imperialist countries), the ones recording are journalists from other countries. They either can ship the physical media, or they can use VPN to send the recordings

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ShalmaneserIII t1_iy37ait wrote

Reply to comment by Jackcooper in ELI5: If allergies, and especially anaphylaxis, are so common, why do we still need prescriptions for epi pens and such? by boomokasharoomo

> I can imagine OTC epipens being used for all sorts of nonsense.

One does wonder if the people who are so overly sensitive to those side effects are going to jab themselves with an epipen twice, though.

Nothing helps an anxious disposition like dumping some catecholamines into the mix.

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not_falling_down t1_iy36puv wrote

Reply to eli5: Why do people who have major blood loss need transfusions? by [deleted]

The amount of blood given in donation is well within the limits that the body can survive for a time without, and readily rebuild and come back from.

With traumatic injury, when massive amounts of blood are lost at once, there is not enough left to keep oxygen and nutrients flowing to the heart and other organs. The transfused blood brings the body back up to a functional level of blood, and then the body can take over and make more.

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Donohoed t1_iy36fgu wrote

Reply to eli5: Why do people who have major blood loss need transfusions? by [deleted]

Blood does replenish but if you're losing it faster than you can make it or lost a lot at once you need a transfusion to get enough blood to stay alive long enough to fix the problem and then make enough more of your own. The body needs time and resources to make more blood and can compensate for small losses like a donation or minor wounds but anything more and it's gonna need some help

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