Thanks to Equip Foods for sponsoring today’s video! Head to my link at equipfoods.com/kentuckyballistics and use my promo code KentuckyBallistics to get 20% off your first order, or combine this offer with a subscription and get 35% off your first subscription.
I live in the UK, never fired a gun (other than a horribly weak pellet rifle years ago), have absolutely no idea what half of the technical talk means and would probably be a major embarrassment should i ever have the chance to fire a real gun but my god i love your channel and I can't get enough of watching your videos! Love your sense of humour, delivery and the respect you show these guns at all times. You got a sub from me :)
@@vordoch I'm from Tennessee and it's a way of life here across the pond. If you ever find yourself in the States, do yourself a favor and go to a range and experience it. You might decide to stay. Cheers.
@@vordoch If you ever vacation in the American Midwest, South, or Southwest you can probably find a gun range that would allow you to rent a firearm to experience the thrill. Just bring a friend (some ranges don't let you rent if you are alone) and ask the staff to instruct you in safe firearm handling. It's a great sport and new folks are always welcome!
i wonder if the gun would fly if it had ∞ ammo and the ammo weight was not included, and if it was full auto, I wonder what it could carry, like could it be a jetpack, or more accurately, a gunpack
When Scott shoots the pistol at around the 7:31 mark, you can see his breath briefly after the shot. You don't see his breath at other times. This is the second video I've recently seen that had this phenomenon. Apparently, if the atmospheric conditions are right, the over pressure can briefly allow for an exhaled breath to be seen when it otherwise would not do that. Weird and cool.
Atmospheric conditions and the exhaust particles that are blowing in his face, they are acting as condensation nuclei. Works the same way as with contrails, i guess.
the recoil on a 500. magnum is tough for any average man, but Scott sees a 600 nitro and takes is for a ride single handed.. that's just beyond insane, Scott is a true recoil king!
I'd call myself pretty average, and I'd call the 500SW pretty tame. The 600NE probably isn't a whole lot more intense than the 500SW due to the lack of pressure generated. It would likely benefit a lot from a faster burning powder in a short barrel, but it's also likely the Encore frame wouldn't be able to handle it.
Well shame he did not test velocity ot of a gun. Double rifles usualy have 25/26 inch barrels. So who knows how much velocity the pistol actualy makes. But hey it us still 900 grain bullet, even if it moves only at 900 fps it will have nasty kick.
@@Skinflaps_Meatslapperyeah the .500 s&w magnum snubby kicks way harder than this and the .500 bushwacker. And the .500 bushwacker kicks maybe a little less than this .600 nitro. I wonder which one is actually more powerful from a pistol.
@@Casual_guy1234 nice! Always wondered what it was growing up as a kid when you see the shells he pulls have their bullets extracted. Wonder if that would be enough for a Rex even with a well placed shot, they were something like double the mass of the largest African Elephants back when they were still in existence. Might wanna go 700 NE lol!
This was already the best gun exhibition channel on the platform, but the new addition of the POV camera/angle was the cherry on top! Super cool! Amazing perspective and view.
It's so fascinating to watch your videos about crazy powered guns. Here in Russia we have strict rules about guns,so there isn't much content. Impressed of your work Scott, keep up the good stuff! P.S. I imagine somebody conceal carry one of these for self defense.
Scott is an absolute unit. He's like an immovable object when it comes to recoil. He should bring this gun to the other youtubers so we can see what it looks like in the hands of a standard issue human
That's what I was thinking! "oh man the 500 was a beast (clips to him shooting the 500 like it was a bb gun), the 600 KICKS! (clips to him shooting the 600 like it was a bb gun with some wind)"
Scott, you never fail to impress, and even get a good laugh from your viewers. I hope that you will have a good thanksgiving, and continue making fantastic videos for thousands of subscribers.
That's what it was called. Just happened to see a short about it earlier today and never knew NE pistols existed. Then a few hours later this video pops up.
@cindileggitt1336 I've noticed them years ago. I've been around guns ever since I was born. As a matter of of fact I was born with an m1918a3 BAR in my hands locked cocked and ready to rock.
I'd been having a bad day amd things were pretty rough, but Scott's videos never fail to make me smile. Thanks for helping turn my day around Scott, I really appreciate everything you do.
I love this show. Give Scott a Howdah pistol. I've been also waiting for this one. This pistol can be a head smacker. That recoil on one hand is enough to cause trouble later in life! Wow, Scott actually turned the zombie head into a "canoe."
You know that it must be 11/10 recoil when Scott only fires it a couple times in a video. He rapid fires a 500 like I pull the trigger on my ps5 for crying out loud. Scott is an absolute beast and these videos make me very happy.
Also, thank you for making clean videos. My 4 year old loves your videos and it's nice to be able to watch them together without hearing a bunch of cuss words.
9:32 For those who are lost, the pecking order goes like this:You, the dirt, the worms inside of the dirt, Popo's stool, Kami, then Popo. Any questions?
Holy cow. This is so exciting. Two videos in only a few days. This is easily the best Kentucky ballistics video ever. Great to see the gun genie again and even better to see Scot returning to outrageous handguns. Brilliant content as always Scott. 👍👍
It seems you can handle that 600 Nitro Express Pistol really good, what about the 600 Nitro express Revolver called "Pfeifer Zeliska", I'm sure you gonna like this Revolver 😊
I've been hinting at that beast several times. But i cannot blame Scott for not biting on that. If i remember correctly it costs +16700 USD last time i checked. But it is a really gorgeous gun for sure.
@@Raymo2u I suppose your right about that. That leaves the fact that these guns are not mass-produced, so he would have to sign up for a list and then wait. He could wait years for a Zeliska revolver.
I really appreciate the time Scott puts into making up skits for his ads for our entertainment, instead of just slapping in a bunch of YT forced ads. THANK YOU❤
That pistol is outrageous! Another awesome video, the wife and I look forward to you dropping new ones. She is a huge fan of your one man war against folding tables. Lol
@@alanwrobleskithats a wild thing to say, he has more subs then cleetus McFarland, cleetus just built a $500,000 race car, restored a 500,000 helicopter has his own race track, guns are no where near as expensive 😂
Maaaaaaan! That Nitro is evil. I have a couple of old Thompson Contenders but nothing like that monster. Mine are 14 inchers. One in 45-70 and a custom barrel in 30-40Krag. The old Krag has kept the freezer full for years. Thanks Scott!
Scott complaining about his hand getting nailed by the trigger guard tab when there is a perfectly serviceable hand grip on front of it. Granted, hand grips on unbraced pistols feels weird, but it's right there and he never tries it (that he shows us)!
Hey Scott, I Always look forward to your videos. I’m also a gun enthusiast. Enjoy your delivery and personality. Thanks for always making it fun! Just bought another shirt and some stickers. Appreciate what you do sir!
The sheer force being delivered straight into you bones and joints is IMMENSE! Working in the ER, seeing fractures all the time, I'd love to see what happens to a locked extended arm of a normal guy shooting this gun one-handed! Does is creat a lot of splinter fractures in your forearm, and dislocate jour elbow? Don't know, but i'd love to watch somebody try!
Thanks to Equip Foods for sponsoring today’s
video! Head to my link at equipfoods.com/kentuckyballistics and use my promo code KentuckyBallistics to get 20% off your first order, or combine this offer with a subscription and get
35% off your first subscription.
Hey
Need triple barrel with 500,600,and 700.
Will you try the M60 machine gun?
Commission a .950 JDJ pistol…
4 bore Derringer?
I’ve been waiting a long long time to make this video! I hope you enjoy it as much as I did! Thanks so much for watching!
Dude I’m your biggest fan 🤫
Thanks Scott, you are a real one for this! Next step, resurrecting the .600 nitro revolver😅
Of course I enjoyed this video. How could I not?
@@denisepickering2634 a great Fanbase to match a great RUclipsr (:
Keep a close eye on those tables. If wild furbies find them and move in then you will have serious problems with vermin.
Pistol engraved with African "big five."
Scott: A Snorlax, a Pikachu, a Charizard, a Venusaur, and a Blastoise. 😂
The good old running gag from his engraved rifle. I still haven't figured out what that thing on the hammer is supposed to be
lmao
All duels should be done with this
Yes sir the duel ended with both duelists suffering broken wrists 😂
😂
@@BadlydrawnBen That would really curtail dueling, I mean who wants to risk a broken wrist?
This is partly why some duelling pistols are rifled or have large bores.
Lots of double KOs inbound
I live in the UK, never fired a gun (other than a horribly weak pellet rifle years ago), have absolutely no idea what half of the technical talk means and would probably be a major embarrassment should i ever have the chance to fire a real gun but my god i love your channel and I can't get enough of watching your videos! Love your sense of humour, delivery and the respect you show these guns at all times. You got a sub from me :)
Move!
@@DaveL9170 haha I'd love to but having some health conditions I need the NHS or I'd go bankrupt pretty quick 😅
@@vordoch I'm from Tennessee and it's a way of life here across the pond. If you ever find yourself in the States, do yourself a favor and go to a range and experience it. You might decide to stay. Cheers.
@@vordoch If you ever vacation in the American Midwest, South, or Southwest you can probably find a gun range that would allow you to rent a firearm to experience the thrill. Just bring a friend (some ranges don't let you rent if you are alone) and ask the staff to instruct you in safe firearm handling. It's a great sport and new folks are always welcome!
@@SifuOmega oh I'd absolutely love to experience it one day!
You know a gun is absolutely crazy when even Scott has to shake his wrist off after shooting it lol
Imagine the John Wick duel (can’t remember which film) with this pistol.
“Rules” “Consequences”
i wonder if the gun would fly if it had ∞ ammo and the ammo weight was not included, and if it was full auto, I wonder what it could carry, like could it be a jetpack, or more accurately, a gunpack
@@williamhepworth6360 John Wick 4
Matt wouldn't shoot it one handed
Ive been lucky enough to shoot 600 Nitro and it retore my rotator cuff repair from 2012.
In a pistol there is no way I would try this
A 600 Nitro pistol was NOT on my Bingo card. That one-handed slo-mo looked nasssssty~! Thanks, Scott~!!
his forearm did not like that one
Seriously, that was gnarly.
She be kickin!!!!
good job it's got an optic?
yes She be kickin
Yes, I would aprove that! Even before watching 😂
Dats a Spicy Meataball!
Only when he shoots something majestic.
When Scott shoots the pistol at around the 7:31 mark, you can see his breath briefly after the shot. You don't see his breath at other times. This is the second video I've recently seen that had this phenomenon. Apparently, if the atmospheric conditions are right, the over pressure can briefly allow for an exhaled breath to be seen when it otherwise would not do that.
Weird and cool.
Atmospheric conditions and the exhaust particles that are blowing in his face, they are acting as condensation nuclei. Works the same way as with contrails, i guess.
I always see that thing after people shoot on every video
Or its just cold outside 😮
He probably just breathed the smoke in 😂
The gun genie is definitely my favorite
At first I thought you said “gun genre” and it made sense to me.
lol me to 😂
The Arnold giggles really sell it :)
@@Barskor1 ikr
I love that he sounds like Arnold Schwarzenegger
the recoil on a 500. magnum is tough for any average man, but Scott sees a 600 nitro and takes is for a ride single handed.. that's just beyond insane, Scott is a true recoil king!
I'd call myself pretty average, and I'd call the 500SW pretty tame. The 600NE probably isn't a whole lot more intense than the 500SW due to the lack of pressure generated. It would likely benefit a lot from a faster burning powder in a short barrel, but it's also likely the Encore frame wouldn't be able to handle it.
@@Skinflaps_Meatslapper yeah it’s a 2500 bar (36k ish psi) cartridge, 500 mag is considerably more powerful in a handgun
Well shame he did not test velocity ot of a gun. Double rifles usualy have 25/26 inch barrels. So who knows how much velocity the pistol actualy makes. But hey it us still 900 grain bullet, even if it moves only at 900 fps it will have nasty kick.
@@Skinflaps_Meatslapperyeah the .500 s&w magnum snubby kicks way harder than this and the .500 bushwacker. And the .500 bushwacker kicks maybe a little less than this .600 nitro.
I wonder which one is actually more powerful from a pistol.
@@SuperD00D Most likely the .500SW, it has the highest chamber pressure and can develop more velocity per inch as a result.
A man willing to break his finger in half for the purpose of our entertainment deserves your subscription. 👍🏼👍🏼
The finger that was already broken in half as well.
Shooting the body armor was one of the best slow-motion shots ever!
I swear if I ever make a product with enough of a marketing budget I will want Scott to make a commercial for it. Dude's a freaking genius.
He's insane........ and it's wonderful 😂
The Jurassic Park reference….i love the throw away one liners this man has.
@@raymondgomes9947 absolute genius!!
And the double barrel 600 nitro express is the gun Roland Tembo uses in TLW
@@Casual_guy1234 nice! Always wondered what it was growing up as a kid when you see the shells he pulls have their bullets extracted. Wonder if that would be enough for a Rex even with a well placed shot, they were something like double the mass of the largest African Elephants back when they were still in existence. Might wanna go 700 NE lol!
craziest pistol, Scott is probably the only person that is able to shoot it without destroying there wrist LOL - nice bro
And that one guy that's basically cowboy forget his name tho
scott is 5'6
Theer*
@@cyanserrato68? Hickok 45?
@@Rhapbus1 He short?!?!
You are much more than an actor... You are a real Entertainer! Congrats, buddy, Love your channel!
The mannequins head going straight into the air with the body arm shot says everything we need to know.
Mannequin head going bye bye lol
ROFLMAO!
had to rewind a couple of times 😂
This was already the best gun exhibition channel on the platform, but the new addition of the POV camera/angle was the cherry on top! Super cool! Amazing perspective and view.
It's so fascinating to watch your videos about crazy powered guns. Here in Russia we have strict rules about guns,so there isn't much content. Impressed of your work Scott, keep up the good stuff!
P.S. I imagine somebody conceal carry one of these for self defense.
Scott is an absolute unit. He's like an immovable object when it comes to recoil. He should bring this gun to the other youtubers so we can see what it looks like in the hands of a standard issue human
That's what I was thinking!
"oh man the 500 was a beast (clips to him shooting the 500 like it was a bb gun), the 600 KICKS! (clips to him shooting the 600 like it was a bb gun with some wind)"
The gun genie is back!! He's my favorite lol
Damn, that slow mo recoil looks beyond brutal, you the man.
Kentucky Ballistics you are the best. Thanks for the awesome and funny content.
I'm glad Scott knows his pokemon!
Lol
We all know our pokemon (1st Gen only)
That 600 Nitro Express pistol is pure insanity! It’s amazing to see the engineering behind it, but I can’t imagine firing that beast more than once.
Scott, you never fail to impress, and even get a good laugh from your viewers. I hope that you will have a good thanksgiving, and continue making fantastic videos for thousands of subscribers.
Yo, Scott, I’ve been watching you for years now and your comedy never gets old. Your guns are badass man. Keep posting your amazing
You should get the Pfeiffer Zeliska. It's a .600 nitro revolver that's basically an upscaled oversized colt 1873.
I would love to see that 😮
@kentuckyballistics
Crazy that you can still order them and only around $14,000
Or maybe the The RSh-12 revolver from russia!
That's what it was called. Just happened to see a short about it earlier today and never knew NE pistols existed. Then a few hours later this video pops up.
@cindileggitt1336 I've noticed them years ago. I've been around guns ever since I was born. As a matter of of fact I was born with an m1918a3 BAR in my hands locked cocked and ready to rock.
that 600 hitting body armor will bruise the spine
Imagine if the powder type was tuned to the short barrel !!!
Absolutely so happy for you. Thanks for taking another one for the team.
I Love KentuckyBallistics Videos 💗
I'd been having a bad day amd things were pretty rough, but Scott's videos never fail to make me smile. Thanks for helping turn my day around Scott, I really appreciate everything you do.
7:17
🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅”YOU HAVE GOT TO BE KIDDING ME!”🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅🦅
CAWW
Scott, you wouldn't believe how much kids love your show. Thank you so much for allowing me some free time😋
Happy Thanksgiving, Scott! Love the videos! Stay safe.
Hope you have a Happy Thanksgiving, Scott!
Kentucky roulette with the 600 nitro button >>>>>>
Did not realise Scott was so well versed in the world of Pokémon.
😂
Scott dragging the dummy through Poupon is Hilarious. 😂😂🤣🤣
Edit: Thanks for all the likes. 🥰
🤣Yessiree! LOL
That dummy is going to sue Scott like he's Mr. Beast. Hazing is a form of mannequin abuse.
@@S.M._SFC-USArmy If the mannequin does try and sue Scot then Scott will use his 600 Nitro pistol on him AGAIN. 🤣
I totally agree... He was like "get over here" like scorpion from mortal combat LoL 😆
Bar-Fight style! lol
Scott wandering through the desolate wasteland of destroyed tables had me rolling😂😂
this is PEAK kentucky ballistics
I asked for you to review that pistol and so glad you did as far as I know that pistol is the most powerful in the world
You got the single-shot version, you only need the revolver now.
I wanna see .600 overkill revolver)
Glory to Arstotzka!
That's not a cylinder, that's a hubcap off an 18-wheeler.
There can be only one...
Does it take Glock mags?
Scott with a go pro taped to his head is like the funniest 1st person shooter video game ever! 😂😂 love it!
I love this show. Give Scott a Howdah pistol. I've been also waiting for this one. This pistol can be a head smacker. That recoil on one hand is enough to cause trouble later in life!
Wow, Scott actually turned the zombie head into a "canoe."
600 Nitro pistol, Totally Crazzzzy to shoot that and 1 handed as well. That's why we love you Scott, you are awesomeness.
I don’t normally love your intros, but this one was actually great brother 😆
Gun Genie IS. THE. BEST.
Easily my all time favorite intro character Scott!
And the shirt. Oh my goodness gong. Jeannie had me cracking up as soon as he walked onto the screen
THE GENIE!!!
My favorite side character!!! 💜
Missed a massive opportunity when pointing at the rooster for "I GOT POUPON MY CO..." *CUT TO TECHNICAL DIFFICULTIES* 😂
Though the same thing. You and I think alike😆🕳️🍆🙈
Came here to say that.
Same
😂😂😂😂
Ain't his style
You know that it must be 11/10 recoil when Scott only fires it a couple times in a video. He rapid fires a 500 like I pull the trigger on my ps5 for crying out loud.
Scott is an absolute beast and these videos make me very happy.
Also, thank you for making clean videos. My 4 year old loves your videos and it's nice to be able to watch them together without hearing a bunch of cuss words.
I don't have kids and I second this.
Love the Gun Genie.
Followin' with the cell camera had me LMAO
9:32 For those who are lost, the pecking order goes like this:You, the dirt, the worms inside of the dirt, Popo's stool, Kami, then Popo. Any questions?
Don't talk about popo's training....
I'll tell you where they're not: SAFE.
Don't touch popos stuff don't touch popos stuff don't touch popos stuff
You know, a channel about guns isn't the first place I'd expect to see a DBZA reference, but I'm not complaining.
Krillin: "Rule #1 about Pope's training is YOU DONT TALK ABOUT POPE'S TRAINING"
🤣🤣🤣
The chuckle and look of amazement everytime he takes the spent casing out is magic. That thing is a monster.
Scott should get a industrial grinder and mulch those dead tables😂
Holy cow. This is so exciting. Two videos in only a few days. This is easily the best Kentucky ballistics video ever. Great to see the gun genie again and even better to see Scot returning to outrageous handguns. Brilliant content as always Scott. 👍👍
It seems you can handle that 600 Nitro Express Pistol really good, what about the 600 Nitro express Revolver called "Pfeifer Zeliska", I'm sure you gonna like this Revolver 😊
I'm sorry, a W H A T?
I've been hinting at that beast several times. But i cannot blame Scott for not biting on that. If i remember correctly it costs +16700 USD last time i checked.
But it is a really gorgeous gun for sure.
@spleenslitta7595 he's spent many times more than that on a few of his other firearms. The 4bore, 950jdj, elephant gun, ect.
@@Raymo2u I suppose your right about that. That leaves the fact that these guns are not mass-produced, so he would have to sign up for a list and then wait.
He could wait years for a Zeliska revolver.
I really appreciate the time Scott puts into making up skits for his ads for our entertainment, instead of just slapping in a bunch of YT forced ads. THANK YOU❤
Been a while since we’ve seen the gun genie! Always know it’s gonna be a good video when he shows up!
The guns get more crazy every time!
I'm waiting to see a 4 bour pistol!
Keep up the good work Kentucky!
That pistol is outrageous! Another awesome video, the wife and I look forward to you dropping new ones. She is a huge fan of your one man war against folding tables. Lol
*That's the best damn ad-placement ever.* 🤣😂
His kids are going to have an insane inheritance with his collection.
There's no way he owns everything he shoots though. I'm sure most of these are borrowed
What a weird thing to say😂
@alanwrobleski wrong. He ownes essentially everything you see on his channel.
@@alanwrobleskithats a wild thing to say, he has more subs then cleetus McFarland, cleetus just built a $500,000 race car, restored a 500,000 helicopter has his own race track, guns are no where near as expensive 😂
@@rcfreak781 his videos are almost not demonetized
5:27 i didn't not expect that,i cant stop laughing my stomach hurts 😂🤣🤣
Also incredible video and incredible gun
This is the only reason why I subscribed was cause he kept his word like a true man and stood his ground on American soil
Out of all the craziness in this video, the craziest is that the Cadillac is STILL running
Definitely need more Scott POV in my life, that was cool as hell!
3:47 Dadgummit Scott I thought you were about to fix my lactose intolerance.
Maaaaaaan! That Nitro is evil. I have a couple of old Thompson Contenders but nothing like that monster. Mine are 14 inchers. One in 45-70 and a custom barrel in 30-40Krag. The old Krag has kept the freezer full for years. Thanks Scott!
11:03 THERE IS POUPON EVERYTHING!!!!!
❤
Ok, new favorite handgun.
Heres my top 3
1) 1911 double barrel
2) nitro-pistol
3) 500 magnum
I respect your choices, however, are you forgetting the 1911 Longslide, carried by the T800 in the terminator movie?? With laser sight??? C'mon 😉🤔
@@olliedee Damm, youre right!
@@miriamemanueleforneris3701 it's a classic! So what does your top 3 look like now?
Scott complaining about his hand getting nailed by the trigger guard tab when there is a perfectly serviceable hand grip on front of it. Granted, hand grips on unbraced pistols feels weird, but it's right there and he never tries it (that he shows us)!
I was about to comment that xd
Scott is a bit derp sometimes.. he probably didn't notice it haha
That Pistol Reminds me Of The Same pistol from The Last Of Us Part 2 😂😂😂
I love the POV camera angles in you're videos.
11:39 Scott almost had poop where it didn’t need to be 😅😂
"i got poop on my rooster" I was really hoping he used the other word for rooster as i was watching this.
Not family friendly
Im sure you do.
🐓💩😂
"Here they come,to snuff the rooster".
Gallo?
Hey Scott, I Always look forward to your videos. I’m also a gun enthusiast. Enjoy your delivery and personality. Thanks for always making it fun! Just bought another shirt and some stickers. Appreciate what you do sir!
950 JDJ pistol is a must if you dare Scott
50 FatMac
Howdy Scott thanks for the video buddy happy Thanksgiving
6:45 you protected everything but your neck.
He's got a thumb for that, he's good 👍🏻
The sheer force being delivered straight into you bones and joints is IMMENSE! Working in the ER, seeing fractures all the time, I'd love to see what happens to a locked extended arm of a normal guy shooting this gun one-handed! Does is creat a lot of splinter fractures in your forearm, and dislocate jour elbow? Don't know, but i'd love to watch somebody try!
9:04 That arm ripple is like slow mo shots of martial artists punching stuff.
Sometimes, you just really need to obliterate something. Often, your own wrist. 😂
That postol is beyond rediculously awesome!
Honestly one of your best intros so far. I love this damn channel, thank you so much Scott.
15:12 Mind-Blowing results
Wow the Gun Genie finally showed up! He needs to appear more often!!!!
10:10
Scott.exe has stopped working
He always makes me happy when i'm bored, sick or just not in a good mood. ❤
I hope you all have a great thanksgiving
2:38 I am genuinely offended
That settles it. Scott Is a Space Marine
The proto bolter pistol
Splash videos always make me excited😊
11:47 that pic reminds me Team Fortress soldier🤣🤣
11:39 really avoided that one.... "i got poo on my rooster...." mmmmhmmm
I saw that and my eyes went 😳
I thought Scott was about to go very *very* "blue" comedy for the first time. Lol
6:14 Scott just wet himself.
What a beast! Scott shooting that gun with one arm is ridiculous.
7:12 😂 its like they know