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andars

HN member
Joined
Sun, Nov 03, 2013, 3:34 AM UTC
HN karma
1,715
Public activity
402 items

About andars

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Recent public activity

  1. comment
    Comment #18084778

    Borrowing from an a old comment of mine: On one hand, on some scales, Newtonian mechanics is correct "enough" to give results that work, and so in that sense it is just incomplete …

  2. comment
    Comment #16274658

    "Pony up" must mean something different for me than it does for you. I don't know what it means to OP, in my comment I mistakenly assumed my understanding of the phrase was fairly …

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    Comment #16274623

    Realistically, if the government didn't tax and the benefits were available without payment, how many people would voluntarily pay? Many (most?) will accept a free ride when it is …

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    Comment #16274587

    But their software is also free as in beer? It seems strange to make something available without payment and then get mad when people don't pay. I understand the other non-monetary…

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    Comment #16265592

    Could you clarify what is nonlinear about that system? From your description, it sounds like a high (4+) order (mostly) linear system. The motor probably has nonlinear dynamics, bu…

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    Comment #16244236

    Sorry, I'm not qualified to give a good answer. I would guess that the relatively long wavelength of ultrasound could potentially cause resolution issues.

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    Comment #16244030

    I'm not very familiar with the plasma dots approach, but from a cursory look it appears that it is not capable of RGB. On the other hand, there is nothing that can fall out of conf…

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    Comment #16243843

    > Can you levitate multiple particles at the same time? Yes, but their device currently is only capable of levitating a single particle. With the current approach, the device would…

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    Comment #16243797

    The cellulose comes from the black liquor on a spoon (see 0:46 in the video). The put the spoon at the focus of the laser and with luck some particles get confined. After the trap …

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    Comment #16243652

    Nonetheless, everybody calls the displays in Star Wars "holograms". Smalley notes this, and the title is using the word in this colloquial sense. There is an unfortunate disconnect…

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    Comment #16243593

    I've seen this in operation and am acquainted with the researchers. I may be able to attempt to answer some questions about it.

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    Comment #16236623

    Or he plans on growth in other segments (solar, batteries, ?)

  14. comment
    Comment #16236568

    > Tesla rockets Tesla is distinct from SpaceX.

  15. comment
    Comment #16236556

    Jobs had a $1 salary and no bonuses. That doesn't say anything about stock options, grants, etc. It sounds like Musk will get minimum wage and no stock anything if Tesla doesn't me…

  16. comment
    Comment #16236474

    Tesla, the car company, probably will never come close to the market caps thrown around in the article. Tesla, the energy company, might.

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    Comment #16233776

    Electric bicycle

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    Comment #16233773

    Light rail

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    Comment #16233770

    Car (solo)