Tag Archives: Science-and-geeky-stuff

HD DVD versus Blu-Ray…

You probably own a DVD player, and likely a number of DVD movies. But if you have or are thinking about buying a high definition television, there is one thing you should be aware of…

Your DVDs aren’t high definition. And in fact, the DVD format (approx 4 GB) can’t store enough data to support a full length high definition movie: you need something in the range of 8 GB for two hours. But relax! The industry has you covered. They’ve been working on a new format for several years, and its about to come roaring in to your nearest Best Buy or Future Shop…Unfortunately, “it” isn’t a single format. Its two formats, and they are incompatible.

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Quiet Mach 6 Wind Tunnel…and the spelunker who cleans it

I was reading today about the Purdue University wind tunnel that has been completed recently. Its main claim to fame is that it can generate “quiet” (non-turbulent) air streams running at Mach 6. This is important, apparently, for the testing and development of scramjet and similiar technologies.

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Warp drive possible if alternate physics model right….

I feel cheated by the last 50 years of science. Currently accepted theories of space and matter based on quantum mechanics and general relativity basically prohibit us from exploring interstellar space. But, since theories are mostly good to build the next generation of improved theories, I keep hoping that one day something will change the accepted models.

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