Tablizer writes: Washington Post: "Should we build a Death Star? This debate picked up this year after some Lehigh University students estimated that just the steel for a Death Star would cost $852 quadrillion, or 13,000 times the current GDP of the Earth...Death Star is a bit misunderstood. It is primarily a tool of domestic politics rather than warfare, and should be compared to alternative means of suppressing the population of a galaxy. Second, as a weapon of war, it should be compared to alternative uses of scarce defense resources. Understood properly, the Death Star is not worth it. Link to Original Source
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.