John henry raced a steamdrill through a moutain.

This is the ship that I spent the last three months on in the Antarctic.

To fix the stalled harvester.

MineStrike's still loose.

So we drill back in time to see how often that's happened, and exactly how fast that ice can melt.

That's a person down there by the wheel.

The first offshore wells were called whales.

And so what we did was, actually, we made moratoriums on the east and west coasts on drilling.

You can now just focus on that graph. So here's our graph.

So, this used to be completely smooth.

Tony said near the backhoe.

A deepwater oil platform near the Indonesian archipelago.

So we collaborated with Egyptian scientists to do coring work, which you see here.

Like Dale City, I suppose?

I'll say this much about a deepsea oil rig... secondworst thing I've ever smelled.

It's a scientific drilling vessel.

Let's take a look at that. Let's think about adding some edges here.

And we made the very first bore hole through the largest floating ice shelf on the planet.

There's certainly a common theme about needing to make the moment out of this.

Now the decision problem is given a graph, is there a bridge link somewhere in the graph?

She skipped round the fountain garden, and up one walk and down another.

No. But I'm gonna do some digging.

We drilled through a hundred meters of floating ice shelf then through 900 meters of water and then 1,300 meters into the sea floor.

I will bury this world in a grave!!

This is a crazy thing, this big drill rig wrapped in a blanket to keep everybody warm, drilling at temperatures of minus 40.

Edge Smoothing

The only thing that really reduces the amount of oil that we consume is much higher prices.

We could take the original graph that we know there is some length I path, simple path from U to V and what we can do is for each edge in the graph say, well, what if we delete that edge?

There was no door there into the other garden, said Mary.

Find Edges

Detect Edges

Edge Detection

Sir, no, sir.

Now, today, synthetic diamonds are used in oil drilling electronics, multibilliondollar industries.

Top Edge Detection

Right Edge Detection

Bottom Edge Detection

Left Edge Detection

In the State of Texas, they regulate 515 professions, from well driller to florist.

Digging

Dig.

So given all these nicely decorated nodes, we now have a rule for figuring out which ones are the bridge edges and this is the rule.

I'll just hold on to it for a while.

The approximate diameter, it's a three inch (3 ) shell mill

Obviously they have been caused by someone who has very carelessly scraped round the edges of the sole in order to remove crusted mud from it.