Monday, 20 May 2013

How cool is this?


How cool is this?
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45 comments:

  1. Henning Rogge20 May 2013 at 22:52

    Nice :)

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  2. Kithmini Gamage20 May 2013 at 23:12

    that 's  sooo cool !!!!

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  3. Chris Huebsch20 May 2013 at 23:16

    Can you explain 11 please?

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  4. Henning Rogge20 May 2013 at 23:18

    Think base 16...

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  5. Chris Huebsch20 May 2013 at 23:20

    Ah... OK.. It's 0x0b.... Thx

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  6. Siti Hajar Md Ali (hajarはいばら)20 May 2013 at 23:44

    dont know no 10, 11, and 12 ...

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  7. Kimo Salen21 May 2013 at 00:01

    10 = ceiling function of the gravitational constant
    11 - 0b in hex notation
    12 - 1100 in binary notation

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  8. sarah rezvani (sara)21 May 2013 at 00:12

    Very intrestiiiiiiin

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  9. Siti Hajar Md Ali (hajarはいばら)21 May 2013 at 00:30

    oh..thank you! Himanshu Ghadigaonkar Kimo Salen 
    I think I never learn hex notation and binary notation in school...have to google it..hee:)

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  10. kriti Sharma21 May 2013 at 01:00

    ahhh lets buy a digital watch now

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  11. Anees Rao21 May 2013 at 01:08

    6.9999999(etc) is 7? Not really no? Everything else is perfect though.

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  12. Anees Rao21 May 2013 at 01:12

    That's not g. the brackets indicate ceiling of the number. then again, g is only a local constant no? that's not acceptable too. point accepted!

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  13. Kimo Salen21 May 2013 at 01:18

    Anees Rao why is it not acceptable? the ceiling function is a number operator so it's valid to use on any constant.

    and 0.999(non-terminating) is equal to 1.

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  14. Sleeping Menace21 May 2013 at 02:25

    I want one for my computer room.....

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  15. Andreas Stangl21 May 2013 at 03:39

    Anees Rao 6.999... is perfectly equal to 7. There have been some posts about that in this community not so long ago.
    An easy way to seeing it is 6.999... = 6 + 0.999... = 6 + 3*0.333... = 6 + 3*1/3 = 6 + 1 = 7

    You could also use limits when you want to be more strict, the equation I gave is more to give you an idea of what is going on.

    The decimal representation of a number is not unique!

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  16. Corina Marinescu21 May 2013 at 03:43

    Sleeping Menace I think this would be good for the spa I go to....ummmm more massage time for me :))))))

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  17. Praveen Kumar21 May 2013 at 04:08

    able to understand all others except 6.9bar.  I would be grateful if someone cleared my doubt...

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  18. Vors Prung21 May 2013 at 04:08

    good way of thingking

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  19. Snail Erato21 May 2013 at 04:10

    To me, "g" has nothing to do on this clock ...
    but it is not because the value sould be wrong.
    Its just that all the ways the numbers are written refer to MATH convepts, terminology and/or number properties ...
    while g is a PHYSICAL constant of nature !!
    So, for g the result depends in more of a defintion of what it means physically, of a choice of units .. while none of the others do: they depend only of the defintions of what is written.
    In MKS standard system of unit, of course what is written  values 10 .. But in CGS system the value is 982 !!!

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  20. Sleeping Menace21 May 2013 at 04:10

    Corina Marinescu hmmm.. massage...that would break up the day nicely were it only an option... :)

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  21. David Chako21 May 2013 at 04:32

    But I like natural numbers! :(

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  22. Ana Edeza Rangasajo21 May 2013 at 04:38

    This will definitely help a lot! :)

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  23. mark street21 May 2013 at 04:42

    Way cool..

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  24. Corina Marinescu21 May 2013 at 04:51

    David Chako Natural numbers are boring ;)

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  25. David Chako21 May 2013 at 05:11

    Natural numbers = Rodney Dangerfield

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  26. Kimo Salen21 May 2013 at 05:36

    Praveen Kumar 0.999bar = 0.9 + 0.09 + 0.009 +...
    an infinite geometric series with r=0.1
    the sum is then given by
    0.999bar = a_1 / (1 - r) = 0.9 / (1 - 0.1) = 1

    so 6.999bar = 6 + 0.999bar = 6 + 1 = 7

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  27. David Chako21 May 2013 at 05:59

    "Infinite series" is a contradiction in terms, despite the fact that the phrase is used colloquially, even by mathematicians, to refer to non-terminating sequences of partial sums.  Infinite is not the same as non-terminating. Infinite is a false concept; non-terminating is a perfectly reasonable idea.

    To be precise and correct: 

    For any given real z>0, there exists positive integer n such that the difference between 1 and the Nth partial sum of the sequence generated by the formula

    0.9*pow(10,-n)

    for n=0,1,2,3,...

    is less than z.

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  28. David Chako21 May 2013 at 06:02

    Which is to say, 0.9bar is equivalent to 1 in the metric space of real numbers.

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  29. Sashwatha Sriram21 May 2013 at 06:12

    too much!!

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  30. V D21 May 2013 at 06:49

    It's 69 timeeeeeeeee

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  31. Bill Lasley21 May 2013 at 06:51

    With ubiquitous digital clocks many kids have trouble with analog time displays, this would just drive them crazy. Boy would I love one of these.

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  32. Dusan Kulisievic21 May 2013 at 07:21

    absolutelly cool :-)

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  33. Khotso Shomang21 May 2013 at 07:43

    I wonder if I can get this in South Africa

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  34. Gabriel Jimenez21 May 2013 at 09:12

    where I can get one?

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  35. Kanishka Ray21 May 2013 at 09:39

    nerd clock

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  36. Kanishka Ray21 May 2013 at 10:02

    1100 in binary is 12 . It threw me off for a second.

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  37. El-haij Mehdi21 May 2013 at 10:26

    where i can get one?

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  38. David Chako21 May 2013 at 10:29

    I agree that g does not belong.

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  39. Corina Marinescu21 May 2013 at 11:04

    Ceiling function of the gravitational constant does belong on this analog watch, if u don't agree is cos u have no clue why belongs there....this is an ANALOG WATCH.

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  40. Jorge Antonio Rojas Castillo21 May 2013 at 11:20

    I wanna one of this.....:)

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  41. Darius S21 May 2013 at 13:56

    I want THIS :)

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  42. Fletcher Daniels21 May 2013 at 20:17

    Where can I get this? For my chemistry class

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  43. RICHARD PANTOJA21 May 2013 at 20:36

    Oh well nice

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  44. RICHARD PANTOJA7 June 2013 at 12:54

    I got it the (tan) 45 = 1 .......so its placed where the number one would be as to say one o'clock. ...subsequently square of 4 = 2 and is where the 2 should be.....yea nice nice I want a clock as this one....THIS IS GREAT NOT ART ..ITS EDUCATIVE GREAT ART

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  45. Sofia Afnaan10 August 2013 at 04:09

    the g here is the gravitational acceleration whch is by standard 9.8 the square brackets around it signify  the greatest integer or the ceiling function....so we gt a 10 ...

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