/f/explainlikeimfive

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ELI5: Why mass "creates" gravity?

Submitted by Miles7p0 t3_101ef8a on January 2, 2023 at 2:51 PM

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eli5 Why Mattresses need frames and box springs for (stability) when the floor is a fully flat surface?

Submitted by SlateGrayProductions t3_102cqel on January 3, 2023 at 4:43 PM

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ELI5: What does “.io” mean that is attached to the end of some video games titles and website titles?

Submitted by LonerismLonerism t3_102w7gw on January 4, 2023 at 6:29 AM

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ELI5: Why do sometimes some random part of our body twitches like a heart?

Submitted by ComprehensiveCorgi48 t3_103wfjo on January 5, 2023 at 11:11 AM

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ELI5: How is a movie like Puss in Boots that is still in theaters already showing up on illegal streaming websites at good quality?

Submitted by GummyExtreme t3_107bxnn on January 9, 2023 at 11:15 AM

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Eli5 does smoking tobacco without all the chemical additives really make a difference?

Submitted by castyourcrown t3_107zuuu on January 10, 2023 at 3:58 AM

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eli5: If Bacteria grow most rapidly in the range of temperatures between 40 °F and 140 °F (according to the USDA) why does an bacteria-infected human immune response include a fever, which will never get above that range?

Submitted by barley-hops t3_1095av8 on January 11, 2023 at 1:55 PM

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ELI5: In the US, how do people go bankrupt from medical bills when most insurance have a max out of pocket?

Submitted by [deleted] t3_10ay6ci on January 13, 2023 at 4:06 PM

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ELI5: In the US, why is ‘E’ skipped in grading is schools? Students can get A, B, C,D or F but not E, why?

Submitted by enemyn1 t3_10cg05o on January 15, 2023 at 9:53 AM

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eli5: Why were some ancient cities like Palmyra and Machu Picchu left to ruin and fall apart over hundreds of years instead of being repopulated?

Submitted by Bierbart12 t3_10ctd20 on January 15, 2023 at 8:03 PM

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Eli5: Why is Gen X left out of the conversations of conflicts between generations?

Submitted by BuffaloBiologist t3_10ea0tg on January 17, 2023 at 11:29 AM

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eli5: Why are radiators in houses often situated under a window- surely this is the worst place and the easiest way to lose all the heat?

Submitted by amusedfridaygoat t3_10fgqap on January 18, 2023 at 7:47 PM

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ELI5 What is the difference between the side of aluminum foil that is shiny and the side that is dull? Why are they different?

Submitted by claraice424queen t3_10ftvup on January 19, 2023 at 5:46 AM

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ELI5: Why do some animals like spiders and lizards seem to do nothing a lot? What are they doing and why?

Submitted by gunn521arianna t3_10if04y on January 22, 2023 at 8:37 AM

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ELI5: How did early hominids get sleep when its so hard for people in modern times to sleep.

Submitted by SpoonKitty-chan t3_10j2xk6 on January 23, 2023 at 3:45 AM

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ELI5: Why do people hoard gold in case society collapses? If society collapsed, of what use would gold be?

Submitted by Unleashtheducks t3_10jt0p1 on January 24, 2023 at 1:01 AM

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ELI5: How can North Korean have top talented hackers? Aren't their technology and information stuff generally outdated?

Submitted by JohnW305 t3_10k1i9j on January 24, 2023 at 9:15 AM

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eli5: Why do cheap lighters have a divide in their fuel reserve?

Submitted by RaoulSeagull t3_10l4twd on January 25, 2023 at 5:54 PM

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ELI5: Why does milk, cream, yogurt, etc. become rancid if left unrefrigerated, but butter can just freeball in a butter dish for-seemingly-ever and still be safe and edible?

Submitted by rightthenwatson t3_10m4lgn on January 26, 2023 at 10:31 PM

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ELI5 why does food need to be cooled to room temperature before refrigeration?

Submitted by Professor_Oppressor t3_10nnj2d on January 28, 2023 at 7:39 PM

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ELI5: If seasoning comes off of cast iron and carbon steel pans all the time, how are they healthy to cook with?

Submitted by mkfreddit t3_10nvmsx on January 29, 2023 at 1:40 AM

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Eli5: how do pressurized spray cans work? Spray paint, cooking oils, hairspray etc

Submitted by garlicknotter t3_1193zsl on February 22, 2023 at 4:24 PM

6 comments

Eli5 Help, please my brain hurts. If there is an expanding ring of light from the big bang, what is outside it?

Submitted by ExtremeQuality1682 t3_11cpatj on February 26, 2023 at 6:52 PM

45 comments

Eli5: When a nuclear explosion happens and neutrons hit a nucleus and an explosion happens, knowing that Nuclear chain reaction exists, why does the explosion end at some point ?