/f/explainlikeimfive

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ELI5 How did knights participate in tournaments like jousting without killing themselves?

Submitted by QuantumHamster t3_yhq04c on October 30, 2022 at 9:08 PM

105 comments

157

ELI5: how does rendering a video game resolution above your monitor resolution make the picture more crisp?

Submitted by ItsSnowingOutside t3_11dp7qs on February 27, 2023 at 10:40 PM

29 comments

160

ELI5: In recent years, new formats like webp and jfif have started popping up. However, if I rename them to gif or jpeg, they still work. How can it be that renaming the extension doesn't ruin the image format? Why do they even exist then?

Submitted by Luthemplaer t3_z4xi3p on November 26, 2022 at 4:04 AM

41 comments

167

ELI5: Why do English speakers switch Japanese names to have the family name last, but not Korean names?

Submitted by JorWat t3_11yqpz1 on March 22, 2023 at 5:49 PM

36 comments

169

ELI5: Alzheimer's is dementia, but not all dementia is Alzheimer's. So what is the difference?

Submitted by degobrah t3_zyiuyq on December 29, 2022 at 10:39 PM

41 comments

170

ELI5: Why does Google offer all these free services like Google Docs, Sheets, Drive, Sites, Forms, etc. without any ads on them? How does Google benefit from this and why do they invest so much in creating and maintaining them?

Submitted by Elena_Edie t3_11xetd5 on March 21, 2023 at 12:04 PM

97 comments

187

ELI5: Why do companies require annual budget be spent 100%?

Submitted by angrybird7677 t3_zzswm0 on December 31, 2022 at 12:18 PM

118 comments

198

ELI5: Why do people wear different types of helmets when skiing and bicycling?

Submitted by LucasUnited t3_119wuy8 on February 23, 2023 at 12:46 PM

81 comments

201

ELI5: Why do computers need GPUs (integrated or external)? What information is the CPU sending to the GPU that it can't just send to a display?

Submitted by WeirdGamerAidan t3_10pmcsp on January 31, 2023 at 3:02 AM

126 comments

215

ELI5: Why do so many fruits have seedless varieties but the apple and cherry do not?

Submitted by JanaCinnamon t3_10pej9d on January 30, 2023 at 9:25 PM

66 comments

217

ELI5-What is the fibonacci sequence?

Submitted by amsdys t3_127uy9z on March 31, 2023 at 6:43 PM

41 comments

232

Eli5 why do pregnancy testers not have a yes or no indication on the screen instead of the symbols and then matching them?

Submitted by googleimages69420 t3_ygsxgz on October 29, 2022 at 7:49 PM

62 comments

254

eli5 why just one single day sleeping at the wrong time is enough for destroying your sleep routine, and makes it so hard to restore it?

Submitted by _hetris t3_10m9pfh on January 27, 2023 at 2:28 AM

19 comments

260

eli5: Why does cheap alcohol taste worse than nicer alcohol?

Submitted by Chase_The_Dream t3_10nn24o on January 28, 2023 at 7:19 PM

163 comments

263

ELI5 Why are people with an odd number of chromosomes able to reproduce if animals with an odd number of chromosomes cannot?

Submitted by hsjnsnsjsbjsjbs t3_yism8t on October 31, 2022 at 11:39 PM

1 comment

268

ELI5 why do electric vehicles have one big battery that's hard to replace once it's expired, rather than lots of smaller ones that could be swapped out based on need (to trade off range/power/weight)?

Submitted by ginonofalg t3_zxz45v on December 29, 2022 at 7:25 AM

119 comments

275

ELI5: Why does farming equipment require such low horsepower compared to your average car?

Submitted by thetravelingsong t3_11crlqm on February 26, 2023 at 8:24 PM

126 comments

287

ELI5: Why do we board up the windows of abandoned or currently renovating buildings instead of leaving the glass?

Submitted by bandreasr t3_1001hg8 on December 31, 2022 at 7:20 PM

22 comments

320

ELI5: If the chemical dopamine stimulates a 'feel good' sensation, is there a chemical that makes us angry?

Submitted by Kree_Horse t3_127a76f on March 31, 2023 at 4:34 AM

110 comments

325

eli5 is there a scientific explanation or reason for intrusive thoughts or call of the void

Submitted by DapperWheel521 t3_z2rlca on November 23, 2022 at 3:11 PM

74 comments

344

ELI5 how the illegal trade of human organs works?

Submitted by C20_H26_N2O t3_z8ogqk on November 30, 2022 at 10:51 AM

72 comments

349

ELI5: How did we realise the mind is in the brain?

Submitted by theembryo t3_zzitid on December 31, 2022 at 2:22 AM

135 comments

391

ELI5 Why are pickles not just called pickled cucumbers?

Submitted by Shabless t3_12690ps on March 30, 2023 at 2:42 AM

202 comments

406

ELI5 why fraudsters like Anna Sorokin managed to deposit bad checks and immediately withdraw cash elsewhere without banks stopping it?

Submitted by 6horrigoth t3_z91fxh on November 30, 2022 at 7:58 PM

48 comments

411

Eli5 What are the long term consequences of drugs that suppress REM sleep?

Submitted by muted_Log_454 t3_yiagcm on October 31, 2022 at 12:24 PM

50 comments

419