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History of Technology 2: History of Roads 101 Views
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Description:
Sure, roads are old, but to us, they don't look a day over two millenia.
Transcript
- 00:04
So we probably don't spend too much time contemplating roads [boy in class thinking about roads]
- 00:08
but humans have spent thousands of years perfecting them we think we're long
- 00:13
overdue in showing them some RESPECT Aretha-style okay
- 00:18
fine not Aretha style.. so roads are pretty old as long as [ancient people walking along a road]
- 00:23
people have been walking around they've been leaving trails behind them as
Full Transcript
- 00:26
cities got bigger and trade and transportation became more common the
- 00:30
roads got bigger too now when we say roads we really mean bumpy dirt paths and [a big muddy dirt road]
- 00:35
even though that doesn't sound quite as nice as roads many civilizations made
- 00:41
dirt paths work for them.. like the Inca's who maintained a huge network of flat smooth [Inca's walking along a dirty road]
- 00:46
dirt roads but the Incas didn't have wheels wagons horses or oxen and that's
- 00:52
not because they just didn't get around to domesticating them they're seriously
- 00:56
weren't any cattle or horses in the Americas until the Europeans brought [Ship docking into shore]
- 01:00
them over so what was going to pull their wagons
- 01:03
chupacabras well probably not well for societies that did have wheeled vehicles [wheeled vehicle falling into a dirt road]
- 01:08
dirt roads were a problem wheels made deep ruts in the dirt heavy loads sank
- 01:14
into the mud and weather could erode the roads entirely still most societies [rain filling up the dirt filled road]
- 01:19
dealt with these issues spectacularly well
- 01:22
by the first century CE the Silk Road was a 4,000 mile trade route leading [A judging panel on the Silk Road]
- 01:28
from eastern China to southern Europe and no it wasn't made of silk, come on that would
- 01:32
have been worse than dirt and they would have had to pay the silk forum serious [a road covered in silk]
- 01:35
overtime and the Silk Road wasn't a single route either it was a major
- 01:39
transportation network well everything from silk to sculptures to precious [trade goods on a wheeled vehicle travelling on a silk road]
- 01:44
metals to world religion travelled that route let's have a slow clap for all
- 01:50
those Silk Road wagons well the first stone Road was built in IR or modern
- 01:56
Iraq around 4000 BCE not coincidentally at the same time cattle were hauling [cattle hauling a heavy load down a stone road]
- 02:02
their first heavy load stone roads remained really rare until about 2000
- 02:07
BCE when metalworking became more advanced once people had metal [Metal grinder sawing a rock in half]
- 02:12
tools that could cut stones... More stone roads started appearing around the world
- 02:17
and if you're wondering why did we have to wait until little tool showed up well [Boy asking why he had to wait for the metal tool]
- 02:22
then go outside and try to cut some stone with a stick and now see what
- 02:26
happens we'll wait all righty now that
- 02:30
that's out of your system let's move on to the Minoans wait who are the Minoans [minoan people gathered together]
- 02:35
Oh glad you asked okay fine we asked whatever they're none other than an
- 02:40
awesome matrilineal civilization on the island of Crete where legend says the
- 02:46
Minotaur once gobbled up virgins like popcorn well the amazing Minoans [minotaur eating virgins in a popcorn bag]
- 02:51
actually built a 30-mile sandstone road that even had drains along the side and
- 02:55
mortar holding the stones together well the Minoans loved their shiny new [stone road with mortar holding the stones]
- 03:01
road that is until a volcano erupted and ended their entire civilization or maybe [lava gushing down a road and minoans run away]
- 03:06
it was a minotaur gone wild
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