Samurai Sword | I Didn’t Know That

meanwhile back at the story of Steel now

meanwhile back at the story of Steel now if you’re serious about cooking then a

if you’re serious about cooking then a

if you’re serious about cooking then a really sharp knife is a must and if you

really sharp knife is a must and if you

really sharp knife is a must and if you look after it then it can last you years

look after it then it can last you years

look after it then it can last you years but what about a blade that last 4,000

but what about a blade that last 4,000

but what about a blade that last 4,000 years there’s a sharp two days it wasn’t

years there’s a sharp two days it wasn’t

years there’s a sharp two days it wasn’t it was first made for that you need to

it was first made for that you need to

it was first made for that you need to go to Japan the Holy Grail in sword made

go to Japan the Holy Grail in sword made

go to Japan the Holy Grail in sword made King is having a steel which is hard

King is having a steel which is hard

King is having a steel which is hard enough to hold an edge but flexible

enough to hold an edge but flexible

enough to hold an edge but flexible enough to survive heavy combat the

enough to survive heavy combat the

enough to survive heavy combat the Japanese got round this problem by

Japanese got round this problem by

Japanese got round this problem by folding the steel up to 15 times which

folding the steel up to 15 times which

folding the steel up to 15 times which knocked out all the impurities they also

knocked out all the impurities they also

knocked out all the impurities they also often used different grades of steel for

often used different grades of steel for

often used different grades of steel for different parts the blade typically

different parts the blade typically

different parts the blade typically using a hard steel for the cutting edge

using a hard steel for the cutting edge

using a hard steel for the cutting edge and a softer more flexible steel for the

and a softer more flexible steel for the

and a softer more flexible steel for the spine and finally they’d control the

spine and finally they’d control the

spine and finally they’d control the tempering of the blade by covering the

tempering of the blade by covering the

tempering of the blade by covering the hot sword in layers of clay the less

hot sword in layers of clay the less

hot sword in layers of clay the less clay the faster it cooled and the harder

clay the faster it cooled and the harder

clay the faster it cooled and the harder the edge now we’ve seen in countless

the edge now we’ve seen in countless

the edge now we’ve seen in countless martial arts movies how samurai swords

martial arts movies how samurai swords

martial arts movies how samurai swords hack through limbs as if they’re made of

hack through limbs as if they’re made of

hack through limbs as if they’re made of butter but are they really that sharp

butter but are they really that sharp

butter but are they really that sharp we’re gonna find out yeah to assist

we’re gonna find out yeah to assist

we’re gonna find out yeah to assist Jonny with this task we’ve recruited the

Jonny with this task we’ve recruited the

Jonny with this task we’ve recruited the help of historic weapons enthusiast

help of historic weapons enthusiast

help of historic weapons enthusiast Andy Dean right so what do we got here

Andy Dean right so what do we got here

Andy Dean right so what do we got here Andy well this is a matte soap dishing

Andy well this is a matte soap dishing

Andy well this is a matte soap dishing feels quite damp too yeah so it’s very

feels quite damp too yeah so it’s very

feels quite damp too yeah so it’s very solid

solid

solid basically if you didn’t have any

basically if you didn’t have any

basically if you didn’t have any peasants or prisoners to practice on no

peasants or prisoners to practice on no

peasants or prisoners to practice on no this was second best

this was second best

this was second best either that or green bamboo the eye here

either that or green bamboo the eye here

either that or green bamboo the eye here being obviously you can see the the

being obviously you can see the the

being obviously you can see the the thickness of it well sense a little the

thickness of it well sense a little the

thickness of it well sense a little the weight of it replicating someone’s arm

weight of it replicating someone’s arm

weight of it replicating someone’s arm yeah NIC arm really yeah I mean but

yeah NIC arm really yeah I mean but

yeah NIC arm really yeah I mean but you’ll see that it’s not much of a

you’ll see that it’s not much of a

you’ll see that it’s not much of a problem either way so it’s gonna go

problem either way so it’s gonna go

problem either way so it’s gonna go through that because that really does

through that because that really does

through that because that really does feel quite dense with my lack of ability

feel quite dense with my lack of ability

feel quite dense with my lack of ability I’m sure the sword will compensate for

I’m sure the sword will compensate for

I’m sure the sword will compensate for me must be able to do this

samurai swords Wow

samurai swords Wow well Andy that was really impressive

well Andy that was really impressive

well Andy that was really impressive laying on clean through that really is a

laying on clean through that really is a

laying on clean through that really is a clean cut well you can see the design

clean cut well you can see the design

clean cut well you can see the design the curve of the sword and the steel

the curve of the sword and the steel

the curve of the sword and the steel that’s in it makes it a fantastic

that’s in it makes it a fantastic

that’s in it makes it a fantastic clinical weapon