Using Fire to Make Tools | The Great Human Race

on this journey we need to carry grains

on this journey we need to carry grains milk water processing number materials

milk water processing number materials

milk water processing number materials directly on a fire so I want to make

directly on a fire so I want to make

directly on a fire so I want to make some clay pots prior to the invention of

some clay pots prior to the invention of

some clay pots prior to the invention of pottery our ancestors used organic

pottery our ancestors used organic

pottery our ancestors used organic containers such as animal stomachs and

containers such as animal stomachs and

containers such as animal stomachs and baskets to store and process food but

baskets to store and process food but

baskets to store and process food but now with the invention of pottery we had

now with the invention of pottery we had

now with the invention of pottery we had the ability to cook and process food

the ability to cook and process food

the ability to cook and process food directly on a fire we’re no longer stuck

directly on a fire we’re no longer stuck

directly on a fire we’re no longer stuck with just a few cooking options we can

with just a few cooking options we can

with just a few cooking options we can now make soups and broths and stews we

now make soups and broths and stews we

now make soups and broths and stews we can throw a whole bunch of things

can throw a whole bunch of things

can throw a whole bunch of things together and make one meal in one pod

together and make one meal in one pod

together and make one meal in one pod these pots really make all the

these pots really make all the

these pots really make all the difference for us my plan is to turn

difference for us my plan is to turn

difference for us my plan is to turn this copper into a knife the first metal

this copper into a knife the first metal

this copper into a knife the first metal blade I’ve had you dig into the coals

blade I’ve had you dig into the coals

blade I’ve had you dig into the coals and find the hottest spot to put this by

and find the hottest spot to put this by

and find the hottest spot to put this by five thousand years ago we were no

five thousand years ago we were no

five thousand years ago we were no longer reliant only on stone wood and

longer reliant only on stone wood and

longer reliant only on stone wood and bone for tool making we began to shape

bone for tool making we began to shape

bone for tool making we began to shape metals into knives and Spears giving

metals into knives and Spears giving

metals into knives and Spears giving rise to the Bronze Age this is

rise to the Bronze Age this is

rise to the Bronze Age this is revolutionary for humans this gave us

revolutionary for humans this gave us

revolutionary for humans this gave us strong tools tools that we could use and

strong tools tools that we could use and

strong tools tools that we could use and reuse over and over again you heat up a

reuse over and over again you heat up a

reuse over and over again you heat up a metal until it’s red-hot

metal until it’s red-hot

metal until it’s red-hot the copper becomes soft and more

the copper becomes soft and more

the copper becomes soft and more malleable and then cool it down quickly

malleable and then cool it down quickly

malleable and then cool it down quickly and as soon as it’s cool that can be

and as soon as it’s cool that can be

and as soon as it’s cool that can be hammered

can tell it’s thinner already that’s

can tell it’s thinner already that’s gonna be a great knife along this edge

gonna be a great knife along this edge

gonna be a great knife along this edge so now I’ve just got to put a handle on

so now I’ve just got to put a handle on

so now I’ve just got to put a handle on it

my next step is to raise this

my next step is to raise this temperature slowly in these pots until

temperature slowly in these pots until

temperature slowly in these pots until they’re at the point that they’re fired

they’re at the point that they’re fired

they’re at the point that they’re fired and they’ve turned to ceramic once these

and they’ve turned to ceramic once these

and they’ve turned to ceramic once these pots are preheated I’m spreading out the

pots are preheated I’m spreading out the

pots are preheated I’m spreading out the fire I place the pots on the ground in

fire I place the pots on the ground in

fire I place the pots on the ground in the middle and then build the fire back

the middle and then build the fire back

the middle and then build the fire back over top of the pots I’m continuously

over top of the pots I’m continuously

over top of the pots I’m continuously adding wood to this fire until I’m

adding wood to this fire until I’m

adding wood to this fire until I’m convinced that these pots chemically

convinced that these pots chemically

convinced that these pots chemically changed from clay to ceramic