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User: SuricouRaven

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  1. Re:Pi for spheres? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    I still managed to put ^3 rather than ^2. I used to actually be good at this math stuff.

  2. Re:Pi for spheres? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    I stand corrected. Sorry about that, got the formula for area and volume mixed up.

  3. Re:Pi for spheres? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    Yes, I got the formula mixed up - I was using one for volume rather than surface area, which should be 4*pi*r^3. Simplifying to a ratio of four. I'm not sure where you got the bit about 'cubic meters' from though - all the units I used were unspecified. The math would work in meters, feet or cubits. I should have picked up on the mistake when I saw the r^3, rather than the ^2 you'd expect of an area, but by then was too intent on the algebra that followed.

  4. Re:Politics at work... on European Commission Paints Itself Into ACTA Corner · · Score: 1

    But if you don't vote for your choice of corrupt politician, the other corrupt politician will win.

  5. Re:Bullying. on European Commission Paints Itself Into ACTA Corner · · Score: 1

    Perhaps due to their comparative impacts. While Big Pharma may make sure you pay heavily for your drugs, they'll still do their job and stop you from dying. The products of the *IAA cannot be considered so essential.

  6. Re:Democracy on US Offered To Draft NZ 3-Strikes Law, Fund Copyright Initiative · · Score: 1

    Nope. The exclusive grant is for all rain that falls. If you intercept the rain at any point, you are in violation.

  7. Re:Democracy on US Offered To Draft NZ 3-Strikes Law, Fund Copyright Initiative · · Score: 1

    This seems to be a pattern in the piracy community. They come for the free movies and music, but then get politically involved.

  8. Re:I'm from New Zealand on US Offered To Draft NZ 3-Strikes Law, Fund Copyright Initiative · · Score: 1

    But it won't be *just* a tax. Many countries already have a similar tax on blank media (First it was tapes, now it's portable music players and blank CDs). That includes the US, Canada, and several European countries. But does that mean they'll let you download? No. The plan will be to make sure you pay the 'assumed piracy' tax, and then set the enforcer-bots, DMCA notices and ISP complaints on you anyway.

  9. Re:This is the second way America tries to invade on US Offered To Draft NZ 3-Strikes Law, Fund Copyright Initiative · · Score: 1

    A Day of Rage is for use after efforts at political reform via conventional means have failed. Right now, copyright is an issue on which the vast majority just don't care.

  10. Re:Wow! on US Offered To Draft NZ 3-Strikes Law, Fund Copyright Initiative · · Score: 3, Insightful

    Of course it won't be enforced. Microsoft is too sensible for that. They'll just use it to harass small companies who can't afford a decade-long legal battle.

  11. Re:Democracy on US Offered To Draft NZ 3-Strikes Law, Fund Copyright Initiative · · Score: 4, Informative

    Actually, in some places, you *are* expected to pay for that rain. It's not even that uncommon for states to sell exclusive rainwater collection rights to a water company, granting them and them alone the right to rainfall within a specified catchment area. If you live in one, then it is indeed an offense for you to collect your own rain and water your garden with it. You're expected to pay for it from the tap, like a good consumer should.

  12. Re:Exact value of PI-squared was determined long a on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    The bible value is three exactly. It's actually detailing the exact size of a ceremonial container: Circular, ten cubits across, thirty around (Big). The 0.1 discrepency is simply because they didn't measure very precisely at the time, and rounded as convenient. It still bothers a few people who have trouble accepting that something made to the design of God could be so sloppily and imperfectly built, so there are a few religious traditions that explain it as esoteric code. Most just accept it as rounding error.

  13. Re:Pi not useful at galactic scale to high accurac on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    A small region of space is sufficiently flat for practical use, in the same manner that a flat map can be used to show a small region of the surface of the earth with low enough error to permit navigation.

  14. Re:Pi for spheres? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    No, it's not. See my other post.

  15. Re:Pi for spheres? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    The surface area of a sphere is (4/3)*pi*r^3. The area of a circle is pi*r^2. Dividing the former by the latter gives (4*pi*r^3)/(3*pi*r^2), which simplifies to (4 * r) / 3, or (4/3) * r. So... no, except in so far as the area of the sphere is defined as a pi-using function of it's radius. Unsurprisingly the ratio of surface area to cross-sectional area is increased when scaling, to the frustration of many a hollywood monster.

  16. Re:How many digists of pi do you know? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    Sir, I bear a rhyme excelling
    In mystic force and magic spelling
    Celestial sprites elucidate
    All my own striving can't relate
    Or locate they who can cogitate
    And so finally terminate.
    Finis.

    I did it backwards: I memorised the digits of pi directly, and use them to check my recollection of the verse. That's also as far as you're going in simple letter-counts, as the next digit is a zero.

  17. Re:How many digists of pi do you know? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    I used to know 36, but given that it's been some years since I memorised them I wouldn't trust my memory to be accurate any more. Typing and checking...
    3.14159265358979323846264338327950288.
    Yep. Still got them. But I can only recall by reciting them aloud.

  18. Re:pi Squared? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    It's a supercomputer. Slowly is fast enough.

  19. Re:pi Squared? on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 1

    There are a few very fast ways that work on only some numbers. Useful if you can be sure your inputs follow some constraints. This is why a lot of computer graphics either requires texture resolutions be a power of two, or performs faster if they are. You can multiply by powers of two just by using shift operations. Or divide, if you don't mind losing the remainder. Same idea as the 'just add a zero' rule to multiply by ten in decimal. Squareing an irrational number, though... there are no shortcuts for that.

  20. Re:Different outcomes on Blue Gene/P Reaches Sixty-Trillionth of Pi Squared · · Score: 2

    So compare digits sixty trillion, sixty-trillion and one, sixty-trillion and two... if they manage to match a thousand consecutive digits, the chance of doing that just by luck is 1/(2^2000). Or about 10^-602. Not a lot.

    Tiny but non-zero probabilities make mathematicians sleep restlessly. It's just untidy.

  21. Linux editing? on Kdenlive 0.8 Adds Advanced Features for NLV Editing · · Score: 4, Funny

    I use a folder full of tens of thousands of BMPs and some perl scripts that move them around as I command.

  22. Re:Is that Ho-oh? on Idle: Fairytale Character Map Raises Ire In Russia and Ukraine · · Score: 1

    They are both based on the same origin point.... sort of. The phoenix myth originated in ancient egypt or thereabouts. One version traveled west, through greek and roman civilisation (Mutating along the way) and became eventually the russian Firebird. Another went east through Persia, on to China, and eventually inspired the Pokemon character designers to create ho-oh. They are related, but only very distantly.

    The Russian version also inspired another anime character more directly: http://www.kyotoguide.com/ver2/css/images/thismonth/event/201010/5.gif

  23. Re:Why not just deploy a Robot to take the shot? on Robo-Gunsight System Makes Sniper's Life Easier · · Score: 2

    The US has land borders with only two other countries, both of which it is on fairly good terms with. Further, no other power would dare invade - because at best they'd lose, and at worst they'd pose enough of a threat that the US was forced to put it's nuclear weapons to use.Also, I'm British.

  24. Re:Why not just deploy a Robot to take the shot? on Robo-Gunsight System Makes Sniper's Life Easier · · Score: 1

    But it can also be expendable. If you lose a sniper you've lost many years of training and have to deal with political fallout back home - the people do not like it when their brave soldiers die. If you lose a robo-sniper, you just send out a new one. They'll be expensive, like everything military, but still not as expensive as training a human sniper. And they can't be held hostage. You could airdrop them in, or mount them on top of armored vehicles. Fit a good enough gyro and fast enough servos and it could compensate for vehicle movement, to an extent. Could even mount them on drone helicopters. All you need is a good enough communications link back to a human operator who can tell it who to kill. Even good for riot control if you load up rubber bullets - it could be accurate enough at shorter ranges to pick out those stiring trouble or carrying weapons without hitting those just caught up in the crush.

  25. Re:Boy, they sure are interested in child porn. on Department of Justice: FBI Too Focused On Child Porn · · Score: 1

    Intercepts? No. Kids spread it around themselves. Sometimes just for a joke. Sometimes for the dramaz. Sometimes a relationship goes sour, and one partner decides to send all those pics of their ex to friends.