Archeology from space | Sarah Parcak

110,754 views ・ 2012-06-14

TED


Please double-click on the English subtitles below to play the video.

00:00
Translator: Jenny Zurawell
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Prevodilac: Petar Milovanovic Lektor: Ivana Korom
00:16
When I was a child growing up in Maine,
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Odrastajući u državi Mejn,
00:18
one of my favorite things to do
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jedna od omiljenih stvari, kao detetu, mi je bila
00:20
was to look for sand dollars on the seashores of Maine,
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da tražim školjke zvane "Peščani dolari" po obalama Mejna,
00:23
because my parents told me it would bring me luck.
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zato što su mi roditelji rekli da će mi to doneti sreću.
00:26
But you know, these shells, they're hard to find.
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Ali, kao što znate, ove školjke se teško nalaze.
00:28
They're covered in sand, they're difficult to see.
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Pokrivene su peskom. Teško se uočavaju.
00:31
However, over time, I got used to looking for them.
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Međutim, ja sam se vremenom navikla na traženje.
00:35
I started seeing shapes
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Počela sam da uviđam oblike
00:37
and patterns that helped me to collect them.
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i šare koje su mi pomagale da ih sakupljam.
Ovo je preraslo u strast za pronalaženjem stvari,
00:41
This grew into a passion for finding things,
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00:44
a love for the past and archaeology.
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u ljubav prema prošlosti i arheologiji.
00:46
And eventually, when I started studying Egyptology,
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I najzad, kada sam počela da studiram Egiptologiju,
00:50
I realized that seeing with my naked eyes alone wasn't enough.
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shvatila sam da posmatranje samo golim okom nije dovoljno.
00:54
Because all of the sudden, in Egypt,
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Zato što je sada odjednom u Egiptu
00:57
my beach had grown from a tiny beach in Maine
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moja mala plaža iz Mejna prerasla u plažu
01:01
to one eight hundred miles long,
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dugačku 1300 kilometara
01:03
next to the Nile.
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duž Nila,
01:04
And my sand dollars had grown to the size of cities.
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a moje školjke su prerasle
u gradove.
01:09
This is really what brought me to using satellite imagery.
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Ovo je zapravo ono što me je navelo na upotrebu posmatranja putem satelita.
01:12
For trying to map the past, I knew that I had to see differently.
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Jer pokušavajući da stvorim mapu prošlosti,
znala sam da moram da promenim način posmatranja.
01:17
So I want to show you an example of how we see differently
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Stoga želim da vam pokažem primer kako vidimo drugačije
01:20
using the infrared.
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koristeći infracrvene zrake.
01:22
This is a site located in the eastern Egyptian delta
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Ovo je predeo u istočnoj egipatskoj delti
01:25
called Mendes.
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zvani Bendiz.
01:26
And the site visibly appears brown,
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I predeo na pogled deluje da je braon boje,
01:29
but when we use the infrared
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ali kad upotrebimo infracrvene zrake
01:31
and we process it, all of the sudden,
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i obradimo ih, odjednom, upotrebom neprirodnih boja,
01:34
using false color,
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01:35
the site appears as bright pink.
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predeo deluje da je jarko roze boje.
01:37
What you are seeing
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Ono što vidite
01:39
are the actual chemical changes to the landscape
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su postojeće hemijske promene u zemljištu
01:42
caused by the building materials and activities
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prouzrokovane građevinskim materijalom i aktivnostima
starih Egipćana.
01:46
of the ancient Egyptians.
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01:48
What I want to share with you today
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Ono što želim da danas podelim sa vama
01:50
is how we've used satellite data
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je to kako smo korišćenjem podataka prikupljenih satelitom
01:53
to find an ancient Egyptian city,
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pronašli antički egipatski grad,
01:56
called Itjtawy,
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zvani Ičtavi,
01:57
missing for thousands of years.
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koji nije bio otkriven hiljadama godina.
01:59
Itjtawy was ancient Egypt's capital
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Ičtavi je bio glavni grad starog Egipta
više od četiri stotine godina,
02:03
for over four hundred years,
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02:04
at a period of time called the Middle Kingdom,
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u periodu zavnom srednje carstvo
02:06
about four thousand years ago.
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pre otprilike četiri hiljade godina.
02:08
The site is located in the Faiyum of Egypt,
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Ovo mesto se nalazi u predelu Egipta zvanom Fajum
02:11
and the site is really important,
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i ono je veoma važno zato što je u srednjem carstvu
02:13
because in the Middle Kingdom there was this great renaissance
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bio veliki preporod staroegipatske umetnosti,
02:16
for ancient Egyptian art, architecture and religion.
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arhitekture i religije.
Egiptolozi su oduvek znali da se Ičtavi
02:20
Egyptologists have always known the site of Itjtawy
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02:22
was located somewhere near the pyramids of the two kings who built it,
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nalazio negde blizu piramida
dva faraona koja su ga izgradila, ovde označenim crvenim krugovima,
02:27
indicated within the red circles here,
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02:29
but somewhere within this massive flood plain.
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ali negde unutar ove masivne plavne ravnice.
Ova površina je ogromna;
02:32
This area is huge --
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02:33
it's four miles by three miles in size.
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veličine je 6,4 puta 4,8 kilometara.
02:36
The Nile used to flow right next to the city of Itjtawy,
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Nil je nekada proticao tik pored grada Ičtavi,
02:39
and as it shifted and changed and moved over time to the east,
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i kako se vremenom pomerao i menjao tok prema istoku,
02:42
it covered over the city.
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pokrio je grad.
02:44
So, how do you find a buried city
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Dakle, kako pronaći zatrpani grad
02:48
in a vast landscape?
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u ogromnom prostoru?
02:50
Finding it randomly would be the equivalent
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Pronaći ga slučajno bi bilo isto kao
pronalaženje igle u plastu sena
02:53
of locating a needle in a haystack,
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02:54
blindfolded, wearing baseball mitts.
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vezanih očiju noseći rukavice za bejzbol.
02:56
(Laughter)
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Stoga smo uradili sledeće.
02:58
So what we did is we used NASA topography data
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Iskoristili smo Nasine topografske podatke
03:01
to map out the landscape, very subtle changes.
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da bismo napravili mapu predela do veoma sitnih promena.
03:04
We started to be able to see where the Nile used to flow.
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Došli smo u stanje gde smo mogli da vidimo kuda je Nil nekada proticao.
Ali vi možete još detaljnije videti, čak i još interesantnije,
03:08
But you can see in more detail, and even more interesting,
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ovu blago izbočenu oblast
03:11
this very slight raised area
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03:13
seen within the circle up here
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koja je ovde zaokružena, za koju smo mislili da može biti
03:14
which we thought could possibly be the location of the city of Itjtawy.
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lokacija grada Ičtavi.
03:18
So we collaborated with Egyptian scientists
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Potom smo u saradnji sa egipatskim naučnicima
radili na iskopavanju jezgra, što ovde možete i videti.
03:21
to do coring work, which you see here.
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03:23
When I say coring, it's like ice coring,
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Kad kažem iskopavanje jezgra, to je slično kao kopanje leda,
03:25
but instead of layers of climate change,
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ali umesto slojeva klimatskih promena, traže se slojevi ljudskog zanimanja.
03:27
you're looking for layers of human occupation.
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03:30
And, five meters down,
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I na dubini od pet metara,
03:31
underneath a thick layer of mud,
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ispod debelog sloja blata,
našli smo gust sloj grnčarstva.
03:34
we found a dense layer of pottery.
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03:37
What this shows is that at this possible location of Itjtawy,
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Ovo znači da na ovoj mogućoj lokaciji grada Ičtavi,
03:40
five meters down,
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pet metara ispod zemlje,
03:41
we have a layer of occupation for several hundred years,
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imamo sloj ljudskog zanimanja dugog više stotina godina
03:44
dating to the Middle Kingdom,
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koje datira iz doba srednjeg carstva, odnosno tačnog vremenskog perioda
03:45
dating to the exact period of time we think Itjtawy is.
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iz kog mislimo da je Ičtavi.
03:49
We also found work stone --
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Takođe smo našli obrađeno kamenje,
03:51
carnelian, quartz and agate
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korneol, kvarc i ahat što pokazuje
03:54
that shows that there was a jeweler's workshop here.
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da je ovde bila juvelirska radionica.
03:56
These might not look like much,
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Ovo možda ne izgleda bitno,
ali kada se pitate koje se kamenje najčešće koristilo
03:58
but when you think about the most common stones
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04:00
used in jewelry from the Middle Kingdom,
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kao nakit u srednjem carstvu,
odgovor je ovo kamenje.
04:04
these are the stones that were used.
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Dakle, na ovoj lokaciji imamo gust sloj zanimanja
04:06
So, we have a dense layer of occupation
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04:08
dating to the Middle Kingdom at this site.
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koje datira iz doba srednjeg carstva.
04:10
We also have evidence of an elite jeweler's workshop,
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Takođe imamo dokaze o radionicama za elitni nakit
što pokazuje da koji god da se grad ovde nalazio, bio je veoma značajan.
04:13
showing that whatever was there was a very important city.
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04:16
No Itjtawy was here yet,
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Još uvek nema dokaza da je ovde bio grad Ičtavi,
04:18
but we're going to be returning to the site
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ali mi ćemo se uskoro vratiti na ovo mesto
04:20
in the near future to map it out.
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da bismo ga mapirali.
04:22
And even more importantly,
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I ono što je još važnije,
04:24
we have funding to train young Egyptians in the use of satellite technology
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imamo sredstva za obuku mladih egipćana
za korišćenje satelitske tehnologije
04:29
so they can be the ones making great discoveries as well.
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kako bi i oni takođe mogli da dođu do velikih otkrića.
04:32
So I wanted to end with my favorite quote from the Middle Kingdom --
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Želela bih da završim svojim omiljenim citatom
iz srednjeg carstva
04:37
it was probably written at the city of Itjtawy
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koji je verovatno napisan u gradu Ičtavi pre četiri hiljade godina.
04:40
four thousand years ago.
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"Deljenje znanja je najznačajnije od svih zanimanja.
04:42
"Sharing knowledge is the greatest of all callings.
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04:45
There's nothing like it in the land."
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Ne postoji ništa poput toga na svetu."
04:46
So as it turns out, TED was not founded in 1984 AD.
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Dakle kako stvari stoje, TED nije osnovan 1984. godine nove ere.
04:52
(Laughter)
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(Smeh)
04:55
Making ideas actually started in 1984 BC
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Stvaranje ideja je zapravo počelo 1984. godine pre nove ere
u ne tako dugo izgubljenom gradu pronađenom iz svemira.
05:01
at a not-lost-for-long city, found from above.
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05:04
It certainly puts finding seashells by the seashore in perspective.
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To svakako stavlja pronalaženje školjki na obali mora u perspektivu.
05:08
Thank you very much.
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Hvala vam mnogo.
05:09
(Applause)
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(Aplauz)
05:11
Thank you.
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Hvala vam.
05:13
(Applause)
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(Aplauz)
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