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Thread: Mechanical Genius photo of the day

  1. #31
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    Quote Originally Posted by spaner View Post
    Sure stumper, I don't mind answering.
    It's not a mathematical paradox as the story would have you believe. It's an accounting problem, and illustrates precisely why accountants need certification.

    The 2 dollars never came back to the group. It was held by a third party and was then treated as an additional expenditure when labeled "TIP".

    Matrix used: 30/3=10-1=9*3=27+2=29....? 1??...30 Which is totally ass backwards and would get any accountant fired.
    Correct matrix: 30-5=25+2=27

    So, this is where the "It's 27-2=25 not 27+2=29" came into play.
    As, the group's hotel stay cost was 25, but total expenditure was 27 (TIP)
    29 has nothing to do with anything.

    It is a very good mind twister though. Hope that makes it clear but I'm always interested to hear back to find out if that was clear enough in the explanation format that I used.


    ...
    ???? Where in hell did the 27-2 came from lol I feel so dumb or maybe I missed a post but the question was about random answer ... I'm wondering why its not 50 since out of 4 answers 2 are right. Making it a 50% chance of choosing the right answer 25 or if i don't take the logic to far answering a question at random out of 4 answers despite what the answers say its always going to be 25 this logic means if we had 5 choice of answer the answer would be anything that says 20 ..... **** I blew my own mind..... wo

  2. #32
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    That was funny. I spilled my coffee...


    3 men choose to stay in a motel overnight..the desk clerk says the room is $30 so each man hands over $10 and they go to the room....later the manager tells the clerk the room rate was only $25 and sends the clerk to return the $5 to the 3 men. The 3 men can't figure out how to divide the $5 so they each take $1 and give the other $2 to the clerk as a tip.......so...each man paid $9...multiplied by 3= $27...the clerk kept $2...where's the other $1 ?
    93 Carry DD51T...4WD, EL+5up, Rear-Diff-Locker, A/C, PWR Windows, 2" Exhaust, 1 3/4"-Afco Lift, OS-NB-WIX, K&N-Master-Lung, F-MTC-by-Jamar, Front-Slider-by-Tivar...
    Interceptor 3.0; Stage 3 [14PSI BOOST]...

  3. #33
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    ^^ got it haha

  4. #34
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    ...


    How to turn a 100watt bulb into a 5watt bulb.








    ...
    Attached Images Attached Images
    93 Carry DD51T...4WD, EL+5up, Rear-Diff-Locker, A/C, PWR Windows, 2" Exhaust, 1 3/4"-Afco Lift, OS-NB-WIX, K&N-Master-Lung, F-MTC-by-Jamar, Front-Slider-by-Tivar...
    Interceptor 3.0; Stage 3 [14PSI BOOST]...

  5. #35
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    BEHOLD! DIY Power Rake!

    http://www.youtube.com/watch?v=LD7EO...eature=related

    I wonder about people sometimes....

  6. #36
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    oh that's about as Rube Goldberg as they come....lol wow
    “The man who does not read has no advantage over the man who cannot read.”
    ― Mark Twain

  7. #37
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    It's like he just won 50 million, and he's got nothing better to do.
    Right idea, wrong application.
    93 Carry DD51T...4WD, EL+5up, Rear-Diff-Locker, A/C, PWR Windows, 2" Exhaust, 1 3/4"-Afco Lift, OS-NB-WIX, K&N-Master-Lung, F-MTC-by-Jamar, Front-Slider-by-Tivar...
    Interceptor 3.0; Stage 3 [14PSI BOOST]...

  8. #38
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    They use these chains a lot on emergency vehicles.
    Quote Originally Posted by spaner View Post
    Some people's brains work differently then others, that's why we hang here.
    When I see photos like this, I giggle like a teen-aged girl, looking at prom dresses.






  9. #39
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    http://www.popsci.com/cars/article/2...rch-holy-grail

    There are three pages/ click/ click...

    A very good read, a very practical modification, and the whole reason why I never patent anything...
    93 Carry DD51T...4WD, EL+5up, Rear-Diff-Locker, A/C, PWR Windows, 2" Exhaust, 1 3/4"-Afco Lift, OS-NB-WIX, K&N-Master-Lung, F-MTC-by-Jamar, Front-Slider-by-Tivar...
    Interceptor 3.0; Stage 3 [14PSI BOOST]...

  10. #40
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    that's brilliant..gonna try it on a 50cc 2 stroke scooter I'm building...
    “The man who does not read has no advantage over the man who cannot read.”
    ― Mark Twain

  11. #41
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    Anyone interested in replacing their JDM headlights to something more legal......

    Halogen version:
    xlarge.jpg

    HID version:
    headlight-fix.jpg

    Quantities are limited, so order NOW !

  12. #42
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    93 Carry DD51T...4WD, EL+5up, Rear-Diff-Locker, A/C, PWR Windows, 2" Exhaust, 1 3/4"-Afco Lift, OS-NB-WIX, K&N-Master-Lung, F-MTC-by-Jamar, Front-Slider-by-Tivar...
    Interceptor 3.0; Stage 3 [14PSI BOOST]...

  13. #43
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    Quote Originally Posted by spaner View Post

    Pretty good read but the author makes it seem like there is something to get excited about. The car makers are just refining fuel consumption with faster computers and adding turbos to boost the power.

    "so it's here that many of the world's largest car makers have focused their R&D efforts, taking advantage of the breathtaking increase in computing power to build engines that would be unthinkable even a couple of decades ago."
    Unthinkable a couple decades ago? Not really.

    Case in point. 1990 300zx TT. Variable valve timing, twin water cooled turbos. That was 24 years ago and I'm sure that technology existed on the racing circuit years before that.

    Now.... I'm surprised the author didn't mention Mazda's SKYACTIV Technology. Rather than improve efficiency with an external aid like a turbocharger or an electric motor, Mazda has devoted its development resources to optimizing the internal-combustion process.

    It will be interesting to see how these engine hold up over the next few years. Can you say Wankel.

  14. #44
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    Boom...
    Yea, it's what everyone in mainstream is going to be up to, now. But, it's not new, 20 to 30 years out of date, not what I would describe as "innovation".

    Did you happen to read the comments at the end?

    It is a very good overview "snapshot" of the state of innovation back in the 90's...it's 2012 right?

    So, where's my jet pack?....
    93 Carry DD51T...4WD, EL+5up, Rear-Diff-Locker, A/C, PWR Windows, 2" Exhaust, 1 3/4"-Afco Lift, OS-NB-WIX, K&N-Master-Lung, F-MTC-by-Jamar, Front-Slider-by-Tivar...
    Interceptor 3.0; Stage 3 [14PSI BOOST]...

  15. #45
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    I really like this idea. Never seen one before but aparently they have been used for ages. Its called a wheel winch. Its obviously not ideal but could be a life saver if you find yourself stuck out in the bush.

    http://www.youtube.com/watch?v=FDKY1MwDCWE

    http://www.youtube.com/watch?v=XgDCZ4VNEqM

    http://www.youtube.com/watch?v=JY4cKc4FKSM
    Last edited by greg0187; 12-20-2012 at 11:42 AM.

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