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Comment Re:Bitcoin is simple, and complicated (Score 1) 398

The value is only what you can trade it for at the time when you're ready to deal.

National currencies are backed by the threat of force. Accept this, or else. Bitcoins are backed by a shared trust in their security.

When (not if) it becomes worthwhile for a mob to pay their crackers to perform a major bitcoin heist, it'll deflate faster than the Hindenburg. Make sure you predict that and cash out 5 minutes before the story breaks.

Comment Wonderful, but see it for what it is (Score 2, Insightful) 89

At 43mph, they're entirely at the mercy of local weather conditions. And "without using a single drop of fuel"? Tish. Factor in the fuel used by the support crew as they fuss around it. Don't like that? Then let's see them do it without support.

Even with fantasy efficiency, there's no mass-to-surface-area that could make this a commercially viable form of transport, ever. It's a beautiful folly, and an impressive exercise in materials science, and should be enjoyed on that basis. The PV aspect is essentially a gimmick though.

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