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TED Talks Daily

Let's scan the whole planet with LiDAR | Chris Fisher

TED Talks Daily

TED

Creativity, Ted Podcast, Ted Talks Daily, Business, Design, Inspiration, Society & Culture, Science, Technology, Education, Tech Demo, Ted Talks, Ted, Entertainment, Tedtalks

4.111.9K Ratings

🗓️ 10 August 2020

⏱️ 13 minutes

🧾️ Download transcript

Summary

We have archives of films, newspapers, even seeds -- what if we could make one for the entire surface of the earth? Drawing on his experience mapping an ancient city in the Honduran jungle, archaeologist Chris Fisher makes the case for scanning the whole planet with LiDAR -- a technology that uses lasers shot from an airplane to map the ground -- in order to preserve our cultural and ecological heritage.

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Transcript

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0:00.0

Hey, it's TED Talks Daily. I'm your host, Elise Hugh. There are so many ancient

0:08.4

settlements to learn about on our planet, and archaeologist Chris Fisher wants to get to those places,

0:13.5

to document life there and better understand threatened environments. In his talk at TEDx Mile

0:18.7

High from 2019, Fisher tells us about how the newest technology

0:23.0

available is changing the field, making exploration of ancient cultures much better.

0:29.6

But, as he'll explain, time is running out.

0:35.6

The most astounding place I've ever been is the Mosquite of Rainforest in Honduras.

0:41.2

I've done archaeological fieldwork all over the world, so I thought I knew it to expect,

0:45.4

venturing into the jungle, but I was wrong. For the first time of my life, I might add.

0:56.2

First of all, it's freezing.

0:59.1

It's 90 degrees, but you're soaking wet from the humidity.

1:03.7

And the canopy of trees is so thick that sunlight never reaches the surface.

1:05.4

You can't get dry.

1:09.1

Immediately, I knew that I hadn't brought enough clothing.

1:14.4

That first night, I kept feeling things moving underneath my hammock.

1:19.4

Unknown creatures brushing and poking against the thin nylon fabric.

1:22.7

And I could barely sleep through all the noise.

1:25.5

The jungle is loud. It's shockingly loud.

1:27.9

It's like being downtown in a bustling city.

1:33.5

As the night wore on, I became increasingly frustrated with my sleeplessness,

1:35.5

knowing I had a full day ahead.

1:41.2

When I finally got up at dawn, my sense of unseen things was all too real.

...

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