We negotiate to sell the cavorite to the army, and we're not prepared for what happened next.

They want to put a huge team of scientists onto finding a way to duplicate it. So far, so good. But they're talking about gigantic flying fortresses with massively thick stone walls. And giant robots, that becomes possible now that weight is not a problem. Other nations would have no defense! I look at Uncle and he realises what this means: other nations would have to steal the secret to survive. Flying castles... giant robots... this would plunge the whole world into endless war!

We make our excuses - say this was just a psychological test and we don't really have such a material. We make our apologies and leave. That was close! That settles it: we have keep the secret to ourselves, and find out how to make it work on our own.

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