One problem is that it will be out of date because the problems we were talking about have either been addressed or are now not relevant.

We are talking about drift nets the size of football pitches, trailed between two boats, scooping up everything in their way. Dolphins breathe air so if they get tangled up in nets and kept under water they drown.

He was a very serious-minded guy. That's how we got together. We were talking about the political problems in New York, the Al Capone-type stuff, and we formed the Detective Scouts of Washington Heights. We wanted to become junior prosecutors. We were 8.

And as we look at environmental problems around the world virtually all of them have to do with energy considerations.

As we look at the vast array of energy problems that are facing the world, most of them have to do with environmental constraints,

These are all problems in which a shape needs to be modified. In the case of solder, you are talking about what shape a droplet should take - the boundaries of the droplet are constantly modified until the optimal shape is found.