There's a greater lesson in all this discussion. Great ideas can be stifled by the limitations of knowledge. That is to say, if you "know" that an idea cannot w

There's a greater lesson in all this discussion. Great ideas can be stifled by the limitations of knowledge. That is to say, if you "know" that an idea cannot work, you may not explore it. However, if you know nothing about the principles that limit a field, you can't even begin to postulate solutions, because you can't see that an idea is as absurd as putting the cart in front of the horse.