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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.
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
Full Transcript
- 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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