Thanks for your feedback. I agree with your point that past failures, however many, does not guarantee future failure. Aviation is a good example from history.

Thanks for your feedback. I agree with your point that past failures, however many, does not guarantee future failure. Aviation is a good example from history. And we should definitely keep researching stuff, even things which seem like a long shot. We'll almost always learn something useful in the process. The future will tell I guess.. :)