Kerbal Scuffed Program 1 | Sacrifice For The Sake of Science

Welcome back to KSP. Today we'll be collecting science and performing [REDACTED]. Many Kerbals were harmed in the making of this video.
Twitter: / martincitopants
VOD channel: / @martincitopantsvods
Twitch: / martincitopants
Intro: 0:00
Rules: 2:08
Lettuce begin: 4:38
Launch 1: 5:39
Launch 2: 8:00
Launch 3: 12:08
Launch 4: 15:50
Launch 6: 18:45
MODS (lol do it manually you wont):
[x] Science! Continued (xScienceContinued 5.23)
BetterTimeWarpContinued (BetterTimeWarpCont 2.3.12.6)
Breaking Ground (BreakingGround-DLC 1.3.1)
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Kerbal Attachment System (KAS 1.7)
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KRASH - Kerbal Ramification Artifical Simulation Hub (simulation mod for KSP) (KRASH 0.5.33.1)
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[@Gracericon]

I forgot his username so I just searched "frog man kerbal space" and it actually worked.

[@Jump_Immortal]

now thats epic.

[@thatonesoldier111]

Wow

[@TheOtisLaurey]

Hello soldier sir!

[@icedgriffin4704]

yes please

[@zainesmithwick9146]

Confirmed it do

[@mynameeiisjeff]

imagine working for such a crappy space agency you get left on an “aircraft” in space which is just a chair on a platform and get stuck there for 70+ years and still live

[@gestaltengine6369]

Eventually, he stopped thinking

[@radityapamarta5360]

A fate worse than death

[@namename1379]

@Guy Panzerboss NASA's new age regeneration face cream.

[@happsk1211]

Poor lad's orbit probably made him quite toasty

[@tinfoil_f0]

LMAO

[@RvB_Fan_since_8]

Imagine a real space program who’s second flight resulted in a pilot hitting the ocean at 2 times the speed of sound.

[@Qardo]

Well, good thing KSP isn't that realistic. Where we end up having some KFK, Kerbal Fried Kerbal. All because a spark in the crew cabin caused a fire, and the pure oxygen in the cabin ignited and WOOSH! Flash Fry...and then roasted...and then toasted.

[@thehobbist5544]

@@Qardo And then put between two peices of bread

[@Gibdahangum]

And keeps getting funded

[@joseagui4924]

@@Qardo this seems reminiscent of the Apollo 1 disaster. Am I correct?

[@cewla3348]

@@Qardo fucking pure oxygen??? in the cabin????

[@zetarhythm3503]

I religiously return to this series every few months or when I can't sleep. I am never disappointed.

[@skykiller9153]

Same

[@SiveenO]

Glad to see I'm not the only one.

[@xxXXRAPXXxx]

This game will be free on Epic on 5th of January. Just in case anyone like me doesen;t have it yet.

[@Wumpsky]

@@xxXXRAPXXxx sadly announcing this is cap

[@xxXXRAPXXxx]

@@Wumpsky ? it was free at that time as i did get it myself so i don;t know what you are trying to say here mate.

[@RushingToMyDoom]

“Father, where do we go when we die?” “...to a classroom son...a classroom in space...run by a frog.”

[@starleigh6680]

angel beats but somehow more cursed

[@riotalexander5318]

That would actually be rad the afterlife is just school 😂

[@obliviousj4387]

*commits forever sleep instantly*

[@tamrapeterson7379]

True

[@theblorg2637]

Tbh i would rater spend eternity learning things from a frog

[@noxbeetle3717]

*education* *Gaming* *Memes* *this guy is the perfect package*

[@HeidenLam]

Martincitopants Education package now available at $69.99!

[@arbitercs]

He should make some masterclass shit

[@starry4471]

@@HeidenLam sign me right the fuck up

[@touhoutrash2436]

He is a master class

[@ryanxu9983]

Dont forget that music

[@joshuahaley5653]

I never thought I’d actually learn something watching martincitopants

[@evolifesword5972]

BROOOOOO this dude actually studied to be a aeronautical engineer, I wondered why this shit has so much accurate information lol

[@thehobbist5544]

Wait, actually though? How do you know?

[@evolifesword5972]

@@thehobbist5544 His wiki page and also he has mentioned it in a couple videos, not sure which one.

[@thehobbist5544]

@@evolifesword5972 Thats awesome! Thanks for the info man!

[@DA_Doog]

He so dum that he became so smort

[@angelpenarolo7408]

I learned more about space playing KSP in third grade than most people do in highschool/college

[@petersmythe6462]

"Jeb is actually dead" Ah yes. When Jeb or Val die, this is when you delete the save file.

[@Retrolizer]

or, yknow, edit it.

[@josobread186]

Nah only bill, bob or jeb

[@GhostlyBanes]

@@josobread186 And Val

[@josobread186]

@@GhostlyBanes she aint og

[@furkanselcukoglu4673]

@@josobread186 she is in the big "boi" zone now

[@DrJovince]

The random half life scientist screams really make it for me.

[@TwentyTwoOctober2001]

I thought it was swaggersouls

[@stuffnthings8135]

Same man

[@TinyDeskEngineer]

STAHP

[@gyrobyte626]

I recently played half life for the first time and i recognised it from this

[@CL0WN]

Bro I thought it was maxmoefoe.. I may be thinking of another scream..

[@vapewoo1301]

The fireball around objects entering orbit is mostly caused by the air ahead of you heating up due to compression. This is why all reentry vehicles are flat and heat shielded facing the ground (including the challenger). If the fireball was coming from friction, only covering 10% of the surface area wouldn't make much of a difference.

[@olliebtw9433]

21:30 this is the first time that I’ve ever laughed at hearing the last post play 💀

[@typryor2227]

Me: * Tosses a piece of bread to a crow in the park * Crow: * Eats it an flies off * 2 minutes later: 4:41

[@obama5041]

e

[@thepotato4782]

"ayo that guy hadning out bread!"

[@rustic_russian5102]

Underrated comment

[@ThePaperKhan]

@@untitledname8773 sus link

[@untitledname8773]

@@ThePaperKhan Say Kid Amogus Backwards.

[@Raymando12]

“All right class, sit down and buckle your fuckles” One of the greatest quotes I have ever heard

[@big_monke_man3228]

What’s the music that starts playing when he says that called?

[@JakkinYoStupidAhh]

When does he say it?.

[@GhostOfDamned]

🤣

[@Goldelocs]

yes

[@ioneiroi8350]

@@JakkinYoStupidAhh 2:01 Slightly late but

[@bastienpabiot3678]

I don't know why but that "lettuce begin" just resonates with me

[@user-ls9zz5dk7j]

You to?

[@samivestlund]

“Today we are going to talk about how to exit earth” “Please let thi-“ “KEVIN shöt”

[@carolusrex7627]

Åäö

[@Seagull780]

The bike disc brake thing was something I discovered after descending a mountain on a mountain bike for the first time (so I was constantly on the brakes) and then pinching the brake disc like that at the bottom. 2/10 would not recommend.

[@Cyberboi]

wait what was positive enough for it to get 2 instead of 0/10

[@tron359]

@@Cyberboi knowledge :)

[@Seagull780]

@@Cyberboi well you see that wasn't the entire story. Me and a bunch of friends had rented mountain bikes to then fuck around with for a day, so we went up the nearest mountain (since we couldn't find any proper trails that weren't actual downhill trails). My friends gave up a third of the way up, and told me that if I really wanted to make it to the top I could go on alone, so naturally I disregarded their wishes and did so. Once at the top I started descending again while braking all the time, until I got to a spot like 200 meters beyond where I had left my friends. I found one of my other friends who had just decided to go a bit farther up himself. So we then descended together to where the remaining friend was sitting, and when we stopped my friend held his hand a bit away from the brake disc on his rear wheel and concluded it was hot, so I wanted to check on mine but somehow my brain decided it would be best to do this by grabbing the disc rather than holding my hand a bit away from it and feeling the radiating heat. So all in all it left me with a cool story which somewhat redeemed the bad experience.

[@Gentleman...Driver]

@@Seagull780 Works with cars as well. I saw a very unexperienced dutch guy with his family in a Volkswagen T5 in front of me. He constantly braked all the way down the mountain. It was a 2000 meter high mountain in the french alps. I honked and flashed my lights at him, but he didnt understand of course. So I tried to overtake and signal him, but that didnt work also. He simply thought I was an asshole and I wanted to do him some harm. As we were finally down I overtook him and got on my brakes. We slowed down until we stopped. Then I saw that his brakes were already on fire. I had an extinguisher with me. At the end he understood what I wanted from him all the time. When you drive down a mountain, use a low gear and let the engine do the breaking for you. Just brake right in front of the corner. Let them cool of as much as possible in between.

[@umad42]

@@Gentleman...Driver Generally just keeping it out of overdrive if it's an auto, or the highest gear in your manual, is enough to keep you slowed down. However, since people are lazy, modern vehicles do well enough if you just use the brakes while following mechanic's input on when to replace parts at regular services, because modern rotors generally are advanced enough alloys that they do not want to hold onto the heat you are generating with the friction, and can cool off well enough so long as you aren't dragging on them for 40+ minutes, or aren't constantly slowing down from high rates of speed. I would not want to cross the mountains in my 40 year old Chevy El Camino, but my 2002 GMC Yukon does just fine

[@Aaleg]

It’s mildly concerning when a stock image frog man can explain rocket science better than my school teachers

[@urlumisawesome8835]

yeash

[@lordduckulous5240]

I’m pretty sure he’s got nuclear engineering qualifications

[@goodmorningpeople.]

@@lordduckulous5240 no I thibk he got uhm aeronautics engineer degree

[@carolusrex7627]

Yeah

[@Jukantos]

Defunding education is one hell of a political drug

[@lucyarisato6850]

God, he’s so much calmer in this than I’m used to.

[@drillbitz2816]

Yeah I was expecting him to constantly be yelling

[@I-like-thinking-with-portals]

Yuh

[@toasterhavingabath6980]

For now

[@thatgreenfur6584]

i know the focus of these videos is the humor, but having rewatched this series a few times I gotta say, your editing, taste in music, and ability to explain complex physics in a fun way is what makes these transcendentally entertaining.

[@pjwhitlock4198]

If you look really closely, you’ll notice that Jeb smashes into the water at several times the speed of sound. Truly underrated line.

[@toasterhavingabath6980]

I blinked what happened

[@thekinglemon7643]

​@@toasterhavingabath6980 o ya uuuu jeb died

[@Butter_Warrior99]

This video has the most nostalgic soundtrack for me, I remember the times I randomly found Vsauce videos, and Playing Plants vs Zombies. I loved this video.

[@furiousw4r10rd9]

Wait so you know what song is played at stage 1?

[@Nebraski03]

@@furiousw4r10rd9 its “Watery grave” from the game Plants vs Zombies

[@furiousw4r10rd9]

@@Nebraski03 thank you good sir

[@smorgasbored2265]

@@furiousw4r10rd9 Other songs are Brainiac Maniac and Graze the Roof. Also great songs from PvZ

[@smorgasbored2265]

@@ronanzwa3443 N o i d e a n g l , m a t e

[@MedievalElmo-hm5ee]

"even though jeb is dead but atleast... we got that bread" most amazing quote in history

[@Riteliso]

The video is only 3 years old but Im shocked when I revisit this video how innocent and young this creature sounds Unknowing of the constant horrors that will torment them forever

[@Somebodysgamin]

Is it just me or is Martin actually really good at explaining how this all works?

[@milkyway5573]

No is not just you

[@maskvicius5644]

He is good at explaning

[@Dimandblade]

It helps that he is a meme lord, and he said buckle your fuckels.

[@matthewturnock8725]

He's really good with the exception of 1 nitpicky thing: reentry heat is only something like 5% from friction (not sure of the actual number but it's low). Most of it is due to ram heating, ie the air in front of the capsule getting rapidly compressed and therefore heating up (like when you let pressurised deodorant out of a can and it gets cold, but in reverse) :)

[@Dimandblade]

@@matthewturnock8725 he corrected this later

[@about4kids]

Why am I learning more from him than my own teacher

[@petergreksa6964]

Hes just better

[@Itsprincesweets]

Bc he actually makes learning fun

[@benacton6734]

to be honest i am not surprised when something teaches me more then how much i learn at school

[@trec_log]

The power of beans

[@charliefarmer5]

@Amity Adkins he IS your teacher

[@razorwolf2758]

Parents:”video games cause violence” Everyone who is smarter then the teacher:”are u sure about that?”

[@themenagerie5622]

Can't get enough of this man's hl1 scream addiction

[@oz_jones]

He doesn't need to hear all this, he is a highly trained professional

[@jovankabroz6858]

​@@oz_jonesi see youre a man of culture aswell

[@ScareSans]

​@@oz_jonesyou'll just have to wait until AFTER the test.

[@MercenaryModeus]

Ah yes the “liquid stage” is my favorite part of “casting couch”

[@jusghonson3667]

That must've been on purpose

[@universalsoldier9313]

The thighs are my favorite part

[@azo97654]

@@universalsoldier9313🤨

[@jamesgaming-kn1zz]

WOOOOOOOOOOOW your vary mature

[@azo97654]

aw yup🤨

[@hmmmmmmmm6031]

It's like an actual rocket science lesson got addicted to crack cocaine and I love it

[@greenshadow131]

So dinner with John Carmack?

[@MrBones-yy8vh]

Yeah definitely dinner with Inter-dimensional warp bending of the universe John Carmack

[@Nb126_LUL]

I need him as my physics teacher 🙃🙃🙃🙃🙃

[@qubecart]

Mart casually being a better science teacher than my actual science teacher

[@DaleKnighten]

"Collect Valuable Data" *Kills Two Kerbonauts*

[@alecboi777]

Jebediah deserves an award for being to every fricking planet more than once

[@YSQUARED.]

And sacrificing himself...more than once

[@josephdavison4189]

@@YSQUARED. and getting shot out of the solar system for SCIENCE, more than once

[@alecboi777]

@@josephdavison4189 and keeping -inhales- *important data*

[@robertw6894]

and being a successful test pilot and fighter pilot ace

[@freebrams6732]

@@alecboi777 more than once

[@iiiiiiiiiiiiiiiivy]

Centrifugal force is inertia resisted by your surroundings. It is actually the absence of accelerating forces on you.

[@flashbang7910]

thank you

[@yeeyee6529]

Nerd

[@iiiiiiiiiiiiiiiivy]

@@yeeyee6529 Yeah, but he did pull a gun on me, so I kinda had to.

[@LupeTheFool]

@@iiiiiiiiiiiiiiiivy fair 'nuff

[@humanbread2619]

@@iiiiiiiiiiiiiiiivy YOU DID IT NOW Have a cookie

[@VTKT2249]

I forgot how fun physics was to watch and learn, getting baked to it is mind blowing.

[@siralteon]

Hey man, this was great. I especially liked the parts where you actually explained the physics of the game and how they relate to real-life physics. I loved that!

[@bluewarbler9034]

Our first rocket has one goal: *U P*

[@pixelartkid7965]

Wheeeeeeee

[@sharkbitesback2749]

*U* *P*

[@drivinmiatas5068]

*U* *P*

[@wendeysbreakfastbaconator3136]

U P

[@fullflowaerospace]

Ender Gaming *U P* & *D O W N* then *E X P L O S I O N*

[@justanormalguy6302]

This man has taught me more about aeronautics than university ever will

[@yeyegdhdb1440]

Ikr

[@sufyansmits6410]

Well of course if you take Gender Studies as a major

[@Dutchman-2002]

@@sufyansmits6410 yea you can just call everyone that doesnt want you in astronautica a racist , sexist, species, homophobic, transphobic, panphobic, misoginistic, ignorant, white supremacist, white man.

[@the-letter_s]

@@Dutchman-2002 username checks out

[@Dutchman-2002]

@@the-letter_s its a common dutch name wtf

[@A_Wild_Dyzzy]

3rd time watching this glorious series. The editing is just incredible.

[@daemonmignanelli-lr5ng]

I learned more science in this video than a whole year of fifth grade science class

[@walternelson2687]

The Modder's Creed: "Mod it 'till it breaks."

[@dummythickrodriguez]

then you clearly haven't played any Skyrim because that shits already broken no need for mods. Badum tssssss

[@imcardbored8394]

@@dummythickrodriguez then you clearly havent played skyrim mods, because that shit breaks it so badly it gives you ptsd

[@regarded9702]

@@imcardbored8394 modding Skyrim is like fixing a leak with a knife

[@noxturnaI]

@@imcardbored8394 I had one mod that gave you a sword and it bricked my save

[@dummythickrodriguez]

@@imcardbored8394 well did you know that after abot 300+ mods your PC will bleed

[@yeetmcskeet6872]

I love that he went out of his way to teach aeronautics and physics in as interesting a manner as possible.

[@dallaszzz]

shut up kevin

[@jjsdumbshit2792]

!

[@stickfinyet5863]

@@jjsdumbshit2792 !

[@jm56585]

@@stickfinyet5863 !

[@monkey1842]

@@jm56585 !

[@undefinablecontent]

Decided to rewatch this series, forgot how good it is, your vids are a treasure

[@thekerbonaut7462]

this is my favorit vidio series thank you so much for this mart

[@hammy1137]

15:20 In Newtonian mechanics, the centrifugal force is an inertial force that appears to act on all objects when viewed in a rotating frame of reference. It is directed away from an axis which is parallel to the axis of rotation and passing through the coordinate system's origin love u martin

[@AngleSideSideThm]

And it’s more easily described as an observed acceleration

[@ItsBobbyBlitz]

There is no feasible way you can love martin you have never met him this is a fake comment

[@hammy1137]

@@ItsBobbyBlitz love transcends all boundaries, my friend. Love always finds a way

[@ItsBobbyBlitz]

@@hammy1137 pee

[@thesoloquener3239]

yea that is wat i was jus about to say lol

[@wingedfish1175]

4:51 As a near brainless Aussie I have a hard time telling an aussie accent but your use of dollaridoos really put the final nail in the coffin

[@YukiKitsune4074]

21:30 check for The Last Post, that one got me

[@wingedfish1175]

@@YukiKitsune4074 true true I guess I never considered thats a uniquely Aussie thing

[@3a.m.284]

I always laugh at my fellow Americans for not understanding different accents but seeing an actual Australian struggle to figure out an Australian accent is fascinating, the only two accents I have a hard time differentiating is New Zealand and South African, but I can still usually get them right

[@wingedfish1175]

@@3a.m.284 tbh it's just a case of I hear it so often thats it's the default accent but because I consume like 99% American media that accent is the standard for entertainment so my brain just crosses the 2 sometimes, perfect counter example I have a friend who speaks with an American accent and I never realised

[@THESLlCK]

@@3a.m.284 I didn’t know Martin wasn’t american until now. There’s a lot of accents in America and we usually think people with foreign accents are american unless specified otherwise. There are Germans in Texas who still speak exclusively German after ~180 years since their ancestors arrived in America.

[@nyd0blook]

i knew about KSP way before but this series is what really got me into it and every few months or so i give this series a rewatch

[@lavasharkandboygirl9716]

This channel is frickin awesome. Gaming and education together? Phenomenal

[@bonbonnie1347]

Fun Fact: KSP is about making your own ICBMs, not about getting astronauts to space. Don't let the name fool you.

[@ItsBobbyBlitz]

I did not find this fact funny at all

[@dylanjeannes5234]

bobby blitz well then I think you should leave

[@bobmartin9918]

*north korean propaganda music intensifies*

[@datcat8458]

*SOVIET NATIONAL ANTHEM INTENSIFIES*

[@pixynowwithevenmorebelkanb6965]

ah yes the true meaning is Korean space program

[@sixnil9651]

Nobody gonna talk about how he uses the plant vs zombies ost so perfectly

[@rustic_russian5102]

Everytime I see him use it takes me back to simpler times

[@grimstruck5300]

thank you

[@brambleclaw8091]

Yes

[@quandilyaunlapin7975]

yeess s old times

[@mrmannsalt2444]

Same bro

[@herrmanncam1920]

17:20 my ears are busted

[@lisa-lisa04]

9:32 good grief, he's naked

[@Yuuzer_]

The greatest threat to kerbal lives are fat fingers and accidentally warping while trying to land on the moon. Never forget.

[@pugs6357]

rand_username mun*

[@tdubb1220]

@@pugs6357 .......*inhale*.................KAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAren

[@insertcoolnamehere937]

@@tdubb1220 but it is mun not moon

[@michaelmccaughey1173]

18:09 thank you for translating the speed to American measurements, it’s super helpful

[@D.V.McAwesome]

Ew murica is, like, rly gross lmaooo🤣🤣🤣

[@redundantstuff100]

@Yeetus Yeetus Kermit self deletus I like trains it is I WHO ASKED

[@hooliganbear3010]

@@redundantstuff100 dio?

[@AHHHHHHHH21]

I always like to come back to this series. It never gets old

[@coolrover]

This video ACTUALLY helped me in physics, got an A LOL

[@ddaduckie9544]

(Insert martincitopants echo) PHYSICS

[@levd4685]

Jokes aside : this video is absolute genius. A mix of ksp, memes, random earrapes and kerbal abuse. I fuckin' love it.

[@alecboi777]

*”””realism”””*

[@nathanchilders7331]

BUT HOW

[@earthdenier1009]

And vsauce impressiond

[@osprey2023]

I do to

[@lloyd9435]

I can’t wait for the next video on this lol

[@KiithnarasAshaa]

8:40 KSP veterans like to refer to this principle as "Destructive Staging"

[@AdonnysPichardo]

I highly anticipate your videos for KSP2 next year, hopefully.

[@JustA_Dude2933]

I’ve learned a lot in your 4 episode series, actual physics and stuff about ksp. You see Im a noob at ksp and I’ve only gotten in and out of orbiting kerbin 3-4 times without dying. Taught me more then school, got a sub.

[@Jackson-ub1uv]

Kevin: *exists* Martin: *approaches with hostile intent*

[@theradiance2453]

**casually approach child**

[@samsilverman8579]

​@@theradiance2453grab the child

[@harleypignat5820]

Yeet child with force of the casting couch

[@HenryWilliams-jm2is]

"That's it I've had enough." -@Martincitopants

[@boney2982]

@@harleypignat5820 i never thought id see "child" and "casting couch" in the same sentence, what a time to be alive

[@TranquillShot]

"Gravity" *Vsauce music doesn't play* Oh no, something went wrong

[@sethdunham784]

Your science lessons are my favorite part of each video

[@trismica]

loved this series when it came out

[@GrayMajik]

18:08 thanks for the American measurements here I was getting worried I was about to have to go through the grueling task of making a simple google search.

[@Theover4000]

1:34 is the best part of the whole video. "Mmmm.. Orb."

[@JameisonAus_YouTube]

Mmmmm touch E

[@mememachine3963]

B O O O O O O O M!

[@Pigeon83873]

And encounters with Ksp's deep space kraken

[@TinyDeskEngineer]

O R B O I D

[@weeabooze655]

@@Pigeon83873 so buckle up fuckers because today were going to the stars

[@bryanokumodi6056]

Watery graves changed so much man 6:02

[@anas.ouh0801]

This is truly amazing. Memes and learning experiences. I found the perfect yt channel ❤

[@Christian-kg9mu]

18:00 just FYI the most of the heat generated during reentry is NOT caused by friction but rather by something called ram heating. As the heat shield passes through the atmosphere the speed of the craft compresses the air in front of it into incandescent temperatures. Most of the heat is generated in this manner. If it wasn't for the shock layer the friction would likely be greater. (Although it is easy to see why many people would think it is mostly via friction)

[@pablocs3311]

I checked the comments to not comment twice on the subject. Correct, most heat is caused by adiabatic compression of the gases in the atmosphere. But the vehicle's kinetic energy is ultimately lost to friction with the atmosphere (viscosity)

[@EchoNovemberDelter]

SHUT UP KEVIN

[@derpkube]

This can be compared to ramming a car at highway speeds into a crowd of old people. If I were driving the car any slower, then they would have time to move out of the way. However, due to my extreme speed, the old people cannot move out of the way, and are killed instantly. If I keep on driving through the crowd, not only would I slow down, I would also accumulate a pile of now-dead old people at the front of the car, keeping my bumper safe from any more damage. This is comparable to the shock layer and deceleration a spacecraft experiences during re-entry.

[@eva2602]

bump so martin can see this

[@buddyguy4723]

well isnt the heat from compression just more friction?

[@zaphodbeeblebrox8382]

Most of the heat generated on a heat shield during reentry is caused by adiabatic compression, drag accounts for very little. As the vehicle collides with the atmosphere it compresses and heats up substantially. The compressed air then heats the vehicle.

[@Daikael]

Finally, somebody who speaks english!

[@dirtypure2023]

That's a rather interesting fact. What's the ratio between drag-generated heat and that of adiabetic compression? If you know..

[@daniellynch2122]

@@dirtypure2023 Well over 95% of the heating of the gases is due to compression. It's enough that heating due to friction is considered negligible when designing for the thermal load.

[@frankyfeuilles3511]

This is unironically a good introduction into the basic workings of physics 1

[@SirStanleytheStumbler]

Poor Jeb. Gone and immediately forgotten.

[@angusmacdougall9732]

Lmao, the one fact that Kevin got recognition for, he actually got wrong. Most of the heating from reentry is from adiabatic compression, not friction. This is when you run into air very fast and it doesn't have time to get out of the way, so instead gets squashed. This makes it very angry, so it throws fire at you.

[@nethascotx24]

Accurate

[@jakejones8225]

What's the difference between adiabatic compression and friction? (Not that I'm testing you I just genuinely am interested)

[@nethascotx24]

Jake Jones If I remember correctly, the adiabatic compression has the gas accumulate at the front end of the vessel. Due to gas laws, this causes them to heat up. Eventually it turns to plasma, reaching insane levels of heat. In friction, the air passes alongside. It requires the movement of air in contact with the vessel, and it won’t heat up the vessel at much. It is still very much at play but most heat shielding is for compression. Hope I solved your doubt!

[@angusmacdougall9732]

@@nethascotx24 Exactly, for an example of friction, consider a rotating cylinder. It does not displace any air, so there is no adiabatic compression, but it will still produce some heat due to the air rubbing against its surface. Conversely, though it won't remove friction, you can amplify the effects of adiabatic compression by trapping the air, e.g. inside a piston.

[@MGSLurmey]

If you look up "Fire Syringe" here on KZbin or follow the link below, you'll find a video demonstrating this on a much smaller and easier to understand scale. :) kzbin.info/www/bejne/aqLIYoibnsuYock

[@gvo252]

I love how, even in death, Jebediah's company still lives on

[@joshmanuel7215]

This whole experience is magical

[@iandkmadness7890]

I've Watched this 100 times and it never gets old

[@ncsombra4562]

15:20 Im a physics student, lemme explain: When an object is in motion at some distance away from the center, there is a centripetal force, and centripetal literally means "center seeking". The centripetal force in question is exhibited on the mass pulling toward the center of the circle. Think of an arrow that starts at the mass and points toward the center, that's centripetal force. The problem is that in order for an object to spin in a circle, it needs to be connected to the center by something like a string. Try and try all you will, you can't get an object in air to spin in a circle continuously without it being connected to the center. So what is centrifugal force? It's whats known as a felt force, and is actually a result of angular (or rotational) velocity. Think of yourself on a train that's moving. You'd fall over because you're "feeling" a force acting on you, when in reality, nothing pushed you over, the train just had some velocity to it. Now if there were a wall behind you, the same thing would happen, except the wall is pushing back on you, keeping you from falling. This feeling, when you're spinning, is what we call the "centrifugal force".

[@ianrzep9011]

Wow

[@tibsky]

sHUT UP KEVIN still interesting lol

[@ryandoyle3413]

Yup, it's essentially a felt force of an object's inertia

[@Zwaolin]

Or in other words a felt force is the result of all objects with a mass having inertia. Or even simpler, objects don't want to change direction. In order to spin in a circle, the object has to change direction all the time towards the center of the circle. The not wanting to change direction is therefore a felt force in the opposite direction, aka away from the center of the circle.

[@rookie8084]

Boring

[@obamaprism2809]

I can't believe I've been named after many spaceships 4 TIMES!

[@kaidenoliver4498]

this man an arrow

[@Dav5972]

I didn’t expect to get a science lesson from this guy

[@nessieplushie1117]

Your actually a really good teacher. You explain this better than lots of proffesional science mannies

[@No-uc6fg]

17:48 Actually, it isn't air friction which heats spacecraft, but rather air compression. At those heights there isn't enough air for friction to matter, but you're moving so fast that Air doesn't have enough time to move away. And as the ideal gas law says, compressing a gas raises its temperature, thus, the ship gets hot. TL;DR: Air compression, not air friction.

[@_motho_]

Was gonna comment this. Air doesn’t really have appreciable friction in the traditional sense. The molecules do have some friction as they rub past the solid, but the resistance that air has comes from pushing the particles out of the way, not them rubbing against you.

[@hamburgerhamburger4064]

Air + hydraulic press = fire

[@hubbletrubble7875]

SHUT UP KEVIN

[@JackPorter]

How did that need a TL;DR TL;DR it's a short comment.

[@thespyfromteamfortress2656]

nerd or really smart? Yes

[@evolution__snow6784]

I feel like I just took an advanced aerospace engineering course

[@nicksullivan4203]

Bruh more like physics 1

[@samsbitter]

@@nicksullivan4203 ohhhhh ! smart guy over here!!! smart guy!!!!

[@nicksullivan4203]

sam he kinda just said f = ma lol

[@samsbitter]

@@nicksullivan4203 cringe

[@samsbitter]

@Adam Gibb stfu

[@onelifeleft3283]

This might be the most interesting gaming video I’ve ever seen

[@mfp2335]

best series in this channel imo

[@autonomoustomato7016]

Hey, so I meticulously looked up every piece of music/song used in this video! Feel free to correct me or fill in the blanks :D 00:08 Gran Turismo 3: A-Spec OST - Light Velocity 01:24 Piano Fantasia - Song for Denise (Maxi Version) 01:45 György Ligeti - Requiem for Soprano and Mezzo-Soprano 02:09 Grim Fandango OST - Smooth Hector 04:48 Grim Fandango OST - Hi-Tone Fandango 05:48 PvZ OST - Watery Graves (Fast Version) 06:32 Jake Chudnow - Moon Men (a.k.a. Vsauce Music) 08:06 Grim Fandango OST - The Enlightened Florist 08:41 Windows96 - Mind Mirage 09:17 Grim Fandango OST - 9th Heaven 09:54 Jake Chudnow - Moon Men (a.k.a. Vsauce Music) 11:21 ??? 12:23 Grim Fandango OST - Companeros 12:54 Jake Chudnow - Moon Men (a.k.a. Vsauce Music) 13:33 Grim Fandango OST - Companeros 14:26 Pvz OST - Day Stage 15:53 Grim Fandango OST - Mr Frustration Man 16:14 PvZ OST - Graze the Roof (In-Game) 17:20 Jake Chudnow - Moon Men (a.k.a. Vsauce Music) 18:54 Grim Fandango OST - Companeros 19:22 PvZ OST - Brainiac Maniac 20:49 Fanfare - Final Fantasy 7 (found by Cybervact) 21:22 Joseph Haydn (?) - (Known today as) The Last Post 21:48 PvZ OST - Brainiac Maniac 22:58 Grim Fandango OST - Mr Frustration Man

[@egg-yolk]

You are a good man, thank you

[@autonomoustomato7016]

@@egg-yolk Much appreciated :)

[@kentzheng96]

Godspeed you absolute legend

[@DariusFlynt_2012]

Pog

[@elijus9173]

pagging

[@kylefinn5301]

The use of Sound effects and music is absolutely amazing

[@Swope00]

Whats the music in launch 1 launch 4 and launch 6

[@bruhbruh1470]

@@Swope00 plants vs zombies music

[@Swope00]

@@bruhbruh1470 oops I forgot to delete my comment already found it

[@BuffiestFluff]

@@Swope00 why delete it? It led to me finding out without having to Google it.

[@johnbutt5156]

A good guide for orbit is that you should have atleast 3000 ms of delta v but preferably 3200ms

[@Thunderboltthespidergen]

I didn't expect to learn so much about physics but i like it

[@bretzel1026]

Music used: 5:49 - PvZ: Daytime in backyard (Horde) 16:15 - PvZ - The Roof (Horde) 19:20 - PvZ Zomboss Theme

[@Tripolitosus]

fucking legend

[@Frightenerd]

Absolute Lego

[@jajayes1133]

Thank you

[@phillipschmidlapp5291]

Thank you kind stranger

[@gigawatt6018]

Your comment needs to be pinned, I was literally about to comment a question about what song it was.

[@TaeSunWoo]

“Wait..Earth was Obama this whole time?” “Always has been.”

[@daviddavis]

no obama prism

[@Proger-sj8cj]

*And Mars is China*

[@jm56585]

Venus is Russia

[@2tren_]

@@jm56585 Actually Russia is Jupiter and Canada is Saturn

[@jm56585]

Oh yeah i forgot, and Australia’s Pluto right?

[@grimyeeter765]

I just randomly found you in KZbin shorts and now I am subscribed and am way you a lot

[@SpaceEygey]

I learned more about physics with this video than school thaught me

[@_samtsa]

Me: mom I wanna catch internet historian Mom: we have internet historian at home Internet historian at home: Me: das gud

[@jakelarson2360]

Abdul joins the Bean Space Program, leaving piracy to round himself out and forget about the war crimes he committed on the Big Yamato.

[@CreeperDude-cm1wv]

Jimbo joins in to, providing resources needed for the rockets

[@jotarobat]

I thought this was about my friend abdul, long story short he got eaten by a wormhole controlled by a gay dude

[@CreeperDude-cm1wv]

@@jotarobat Oh hey jotaro, how's jolyne?

[@jakelarson2360]

@@jotarobat is that a jojo reference?

[@jotarobat]

@@jakelarson2360 perhaps

[@chill115]

I've never heard a better use for the plants vs zombies theme

[@Axolotl_1215]

KSP and Factorio will always be my favorite series from Mart

[@kaiserepsilon4011]

"peepee poopoo... *C u m . "* - Valentina Kerman

[@mahkus]

How the fuck does your text- in English- have a google translate feature

[@rexgaming_501st3]

@@mahkus The translation system apparently doesn’t like bolded text and assumes its a different language

[@quentindellat3823]

Killing Jeb on the 2nd launch is something reserved to the elite of the Kerbal program

[@elyasdezendorf374]

Happy 2-year-and-3-day aniversary of this masterpiece

[@aidangannon435]

8:18 oh haha i made that mistake...