Dope Tech Episode 2

<<@MinutePhysics says : Want to donate to the highest-impact charities AND get your donation matched up to $100? Visit https://Givewell.org/MinutePhysics>> <<@TheCandoRailfan says : Yeah, I'm a lot hotter when the sweat is.on my body.>> <<@nhlakaniphodlamini2201 says : Should you wipe off your sweat? - No.>> <<@itsmect2006 says : no. keep it on>> <<@CatVomitSupreme says : Yes, because being wet makes me want to crawl out if my skin.>> <<@TheEighty4our says : Yes or no?>> <<@EfeBg says : I play table tennis so if im sweaty during a exercise the sweat litererally flies everywhere lol... When a set ends i wipe my sweat of with a towel and its working good>> <<@Sentient_Cabbage says : I love working up a good sweat. I wear that wet shirt like a badge of honour exiting the gym>> <<@crashtestdummy92 says : 1:12 why is the human body at room temp? What did you do to it??>> <<@uliveulearnandregret says : Driving in 100 degree weather with no AC on is the biggest powermove ever, infinite evaporation 0 cooling>> <<@blackpurple9163 says : As long as it's my wife's sweat, it's not gross>> <<@BiG_Brain13 says : But should you wipe on your sweat?!>> <<@LawandOrderCyraxxVictimsUnit says : You can do whatever you want, it's your sweat!>> <<@lightupthefight says : so why do i feel cooler after wiping sweat off? to me it seems like the sweat on my body is warmer than the surrounding air.>> <<@baltulielkungsgunarsmiezis9714 says : Joules are the scientific measurement of energy.>> <<@latitzouri says : I am never taking a shower ever again to maximise my sweat to surface area 👍>> <<@DecidedSlothTV says : I thought this would be about if sweat evaporation is less efficient if your clothes get soaked.>> <<@ytmndan says : Ok, but then I get sweat in my eyes.>> <<@backtorparn says : How did YT know I was just thinking about this?>> <<@Saul_Atreides says : 2 years late, but how do dissolved salt and other chemicals affect the evaporation of water? Would it be more or less efficient to wipe off all sweat and replace it with an optimised uniform layer of cold water from a spray bottle?>> <<@stylesraw says : But drinking and then urinating/sweating is not the only method of using direct liquid cooling. Think of how quickly you cool down if you jump in a pool or get sprayed by a hose... Much quicker than sweat alone.>> <<@MooseDoesStuff says : you almost got it on this one. it's much more complicated than that. only the surface of water evaporates, so leaving only a film of water on cools much more effectively than sweat drops. wiping till dry would be bad, but wiping drops off will always improve cooling. also, drops form more of a barrier to heat escape, because the part of the drop that's in contact with your skin will be about your temperature, thus preventing you from heating it any further. you now have less surface area to cool from. sweat doesn't have to be dripping for you to benefit from wiping *most* of the water off.>> <<@HeroOfTime2610 says : Who else is here from discord??>> <<@Navoii. says : 1 cal = 1000 calories? What have I missed>> <<@ieatgarbage8771 says : I think you could get away with smearing sweat around, since it looks the sane as wiping it off>> <<@AlRogerson says : It is also better to have a spray bottle and soak yourself BEFORE you would start sweating>> <<@lanalancia8177 says : The sweat is very salty, which prevents it from evaporating. You better clean the sweat away and wet yourself with a clean water>> <<@edge21str says : 37kcal/h average is a huge overestimation for water cooling the body. You wouldn't be able to drink 1l every hour, you'd encounter hyponatremia pretty quickly.>> <<@nitroputin5790 says : 0:51 that would be 37 kcal or kilo calories, it would take 37000 calories, but thats neither here nor there>> <<@TheDemigans says : Fresh sweat isn't that smelly. Make sure you at least spool yourself off every day it's hot and sweaty. It's when it gets stale that it gets smelly and dirty.>> <<@Josh-ub5ht says : When I really need to cool off I stand at the sink with paper towels, wet them under the cool water and hold it against my face for several seconds, then rewet it with fresh cool water and repeat. The water warms up in contact with your skin, and takes that heat with it when you rinse the towel with cold water>> <<@pc_gamer2231 says : Is that the chosen one>> <<@chuckblaze5147 says : Just use a cold damp towel to wipe sweat and smear clean water on you maybe?>> <<@BSCbtx says : Video assumed knowledge that evaporative cooling is more efficient than conduction and convection.>> <<@AlextheLordofFire says : Unless you are near to any coast, which we didn’t evolve to prepare to. When in a humid environment, you might as well wipe it off, cus it’s not gonna evaporate.>> <<@Zaimaen says : You forgot that the towel increases the surface area, allowing more water to evaporate and thus cooling it down. When you swipe it a second time, you also transfer more heat into the towel since it cooled down.>> <<@Tarzan-z2f says : Physics forgot about 100% humidity you sweat no longer evaporates and it only does bad things, destroying your biggest organ, your skin.>> <<@Jan12700 says : WTF is this shitty music>> <<@kahlzun says : It's also worth noting that the evaporative cooling is also absorbing heat from the system, providing the benefit from both>> <<@motbus3 says : You can also wash your face with cold water and not dry it completely>> <<@Casa-de-hongos says : To warm 1L of Water 1°C you need 1000 Calories, not one! All your calculations are completely wrong!>> <<@taylorwoolston8856 says : If sweating is supposed to cool you down, why does it heat you up? It's only useful if it's very windy.>> <<@DaybreakSystem says : I don't care, it's SUPER uncomfortable, I *am* washing it all off>> <<@FusionDeveloper says : Even in 90%-100% humidity at night?>> <<@christianmillhollon4481 says : Why do we allow these people to exist lol>> <<@renee61026 says : Besides, wiping it off doesn't magically frickin cause more to come out. It just casts off sweat that still worked. Sweat doesn't like... lose potency as it sits on your skin lmfao>> <<@Veptis says : medical and social norms shouldn't be ignored: the sweat brings out smell. Which is an important form of communication. So sweating and not hiding your smell is more honest.>> <<@der.Schtefan says : Why not properly say kcal (kilo calories) instead of saying "calories" but then writing upper case "Cal", which is only used in the US on nutrional labels, and nowhere else in the world? The same goes for the insane idea of writing liter with a upper case L. Since the unit is not derived from a person's name, it is to be written lower case (as is the ml for milliliter), again only the US has this insane custom.>> <<@jurgensachslehner5469 says : I would like to know if it's better benefiting to pour cold water over your body or just let the sweat make its job ...>> <<@ninjakiwigames5418 says : Spray yourself with water: - not gross -colder water :)>>