h a l f b a k e r yNot so much a thought experiment as a single neuron misfire.
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By the use of an EmDrive thingy, it should be possible to propel the popcorn stand to the customer's location, whilst microwaving the popcorn, a net saving of energy.
Edit - Now with jacket potatoes option, which obviously takes a bit longer, so suitable for deliveries in the suburbs.
EmDrive video from the researcher
https://www.youtube...wY&feature=youtu.be
New as of September 2016 [beanangel, Sep 15 2016]
I'm sure this must be an acceptable alternative...
Maizechinegun
[normzone, Sep 16 2016]
NASA's EM Drive peer-reviewed and published.
http://arc.aiaa.org...us/10.2514/1.B36120
[not_morrison_rm, Nov 20 2016]
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You still have to generate the electricity used to power the
microwave source. I suggest combusting unpopped popcorn
kernels. |
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Bussard's fusion reactor he was last working on was a microwave generator. |
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There is a published peer reviewed paper on the EmDrive. |
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What good are those House of Lords lot? They'll review anything. |
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Traci Lords ? Oh, and the link is not about her... |
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//Traci Lords ?//
Nono, _House_ of Lords - a haircutting franchise. |
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Admittedly, getting a former porn star to show up at the door bearing food is certainly meritorious. |
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If knew what tracing lords was like, does it involve brown paper and crayons? |
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I think you'll get more energy by venting the steam to a turbine. |
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Are you quite sure you don't mean "meretricious" ? |
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Gosh, "After months of speculation and leaked documents, NASA's long-awaited EM Drive paper has finally been peer-reviewed and published. And it shows that the 'impossible' propulsion system really does appear to work.". |
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We can finally deport the Borg on the cheap. |
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You'd miss us if we were gone ... |
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Besides, our warp drive is somewhat superior to your laughable little E-M pusher ... go ahead, get on your push-bike and chase that SR-71, see where it gets you .... |
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//get on your push-bike and chase that SR-71 |
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"...NASA's DFRC at Edwards AFB, CA flew the SR-71 from 1991 until its final flight in October 1999." |
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Pursuing a stationery object is something that can be done in a leisurely manner. |
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I claim at least 0.00000678% of the Emdrive royalties for my PR contribution to project. |
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//You'd miss us if we were gone ... |
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Is is actually possible to build a wall around space? |
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Yes, but it wouldn't help. Remember, we have transporter technology. |
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You'd need an adaptive deflector shield, and on a planetary scale that needs a lot of energy. |
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But, it would be kind of fun, and keep brickies in work ifor quite a while. Consider it a mini-Dyson sphere, built in brick. |
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Not sure where the guttering should be attached, on the inside or the outside? At least outside it wouldn't keep getting blocked by leaves. |
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Outside, definitely. And get some of those plastic covers for the drains, to stop them clogging. |
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I can't help thinking (re. [nmrm]'s link) that if you had ten megawatts of power, you *ought* to be able to generate more than one Newton of thrust. But yes, very clever, no reaction mass. |
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