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History of Technology 5: Antoine Leeuwenhoek and Robert Hooke 33 Views


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Description:

Leeuwenhoek and Hooke discovered a lot of cool things, but we can't imagine any of it made for good dinner party conversation.

Language:
English Language

Transcript

00:01

No At first microscopes were more of a fun toy

00:06

than an instrument of science But then a guy named

00:09

antonie van leeuwenhoek came into the picture What did antoni

00:13

do That was so great Well he said wait can

00:17

do science with these thingamajigs You know he said it

00:21

in dutch but leaving here actually ended up being the

00:24

father of modern microbiology Of course a lot of props

00:28

have to go to robert hooke the english scientists who

00:32

among other things wrote a book called micro graphia which

00:35

most likely inspired new in here to pay attention to

00:39

little things Leaving here first published studies on the mouth

00:43

parts of bees bee stings life and fungus and royal

00:48

society in england was impressed and invited this dutchman to

00:52

join their club Later antoni really hit on something when

00:55

he found microscopic bacteria swimming around in water Royal society

01:01

was skeptical about this one probably because nobody wants to

01:04

think about the billions of unseen squirmy things aiming in

01:07

the water they drink But once robert hooke verified urine

01:10

hicks findings they were forced to face facts nearing hooks

01:14

Discoveries didn't stop there He also identified the existence of

01:18

blood cells the existence of microscopic nematodes and the structures

01:23

of wood and crystals Either he was super motivated or

01:27

he didn't have much of a social life or you

01:29

know maybe both leave unhook also discovered how life is

01:33

made and he didn't even need to have an awkward

01:35

talk with his parents in a store you figured out

01:38

conception when he identified sperm and came up with the

01:42

idea that organisms are conceived when sperm it'd zoo in

01:46

fertilizes an egg you unhook along with robert hooke changed

01:50

people's minds about a lot of things Take germ theory

01:54

well before microscope People had literally no idea how diseases

01:58

and illnesses work attracted medieval doctors believed in four humors

02:03

that had to be kept in balance Later they decided

02:05

sickness was caused by me asthma's for bad air But

02:10

microscopes reveal hundreds of thousands of microorganisms happily squishing around

02:15

in everything from drinking water to food toe blood And

02:19

they were using them as their own personal buffets Appetizing

02:23

we'll sell theory was a major step forward to cells

02:26

are the basic structures that make up every single living

02:29

thing on the planet And we had no idea they

02:32

existed until the invention of the microscope or robert hooke

02:36

was technically the first dude to identify cells It happened

02:39

when he was looking at it tiny piece of cork

02:41

under a microscope and notice that it was cut into

02:44

tiny circular things Spoiler alert was looking at the dead

02:48

walls of plant cells and of course there was reproductive

02:52

theory Before leeuwenhoek figured out the birds and the bees

02:56

people believed all kinds of random things in general The

03:00

idea was that the entire fetus came from the dude

03:02

and ladies were just a walking talking for the baby

03:06

Yeah well then there was the idea that sperm or

03:09

actually tiny complete humans that were just too small to

03:13

see and don't even get us started on the history

03:16

of pregnancy test which is long and bizarre Here's a

03:19

fun one though ancient egyptians used to have women pee

03:22

on a bag of weed and a bag of barley

03:26

If the wheat sprouted the baby was a girl If

03:28

the barley sprouted it was a boy and if neither

03:32

sprouted the mom and dad hopefuls had to go back 00:03:34.68 --> [endTime] to the drawing board the bedroom anyway

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