How much pennies can a foil boat hold?

It depends on its size and shape.

Make the surface area as big as possible. You can just fold the edges up so it looks like a square plate with its edges folded up.

circle boat

Bigger the boat, bigger the cargo hold. In theory, if you had a boat and ocean big enough, you could transport an infinite mass of stuff.

There are a few different factors to consider : molecular attraction, surface tension, and gravity. Lets start with molecular attraction. Molecular attraction is basically just an easy way to say...