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Viewing profile — samjohnson

samjohnson

HN member
Joined
Fri, Nov 23, 2012, 10:46 PM UTC
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15
Public activity
10 items

About samjohnson

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Recent public activity

  1. comment
    Comment #47667485

    It was the same kind of logic question. You missed a key word in your quote. I think it said “If you study hard enough you _can_ pass the exam”. It was there to make it clear that …

  2. comment
    Comment #43072426

    I’ve tried leaving kindle but keep coming back because of how well it syncs side-loaded (via email) epub reading progress between the physical reader and the kindle app on my iPhon…

  3. comment
    Comment #33524606

    This is interesting, but it’s not obvious to me what “the capacity for an individual to attend to others in the group” means in this context. It would be interesting to learn how t…

  4. comment
    Comment #23563036

    > Then I realized that a 5V supply will always be 5V in normal operation and ohms law means the current varies. This is a great observation. I've often thought that teaching Ohms l…

  5. comment
    Comment #16555114

    Are you missing that the quote is from a sentence listing example complaints and not actual affects of daylight saving?

  6. comment
    Comment #15220414

    A Watt is an SI unit defined as 1 joule/second, and is used for measure rate of energy usage/generation. So this system generates up to 100 joules/second, and can output up to 150 …

  7. comment
    Comment #12204169

    There's still significant savings at 5% usage: 100W * 5% * 24 Hours = 120Wh 1W * 24 Hours + 5W * 5% * 24 Hours = 30Wh So it does depend on the duty cycle - As long as the 5W lightb…

  8. comment
    Comment #12158011

    Why is the world's energy production a constant value from 2010 to 2040? Surely we produce more energy today than we did 30 years ago. Is this just a chart scale issue?

  9. comment
    Comment #5443837

    You might be interested in Cinder. It's a mature C++ library with multiplatform support: http://libcinder.org/

  10. comment
    Comment #4823937

    You almost can with http://gmvault.org/