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Why Time Flies By As You Get Older

Ant notes a piece up on WBUR Boston addressing theories to explain the universal human experience that time seems to pass faster as you get older. Here's the 9-minute audio (MP3). Several explanations are tried out: that brains lay down more information for novel experiences; that the "clock" for nerve impulses in aging brains runs slower; and that each interval of time represents a diminishing fraction of life as we age.

20 of 252 comments (clear)

  1. Michio Kaku by MorderVonAllem · · Score: 4, Interesting

    Michio Kaku did a great show about time for the BBC and at the end of one episode he asked young/old people to count 60 seconds. The older people consistently counted for much longer than the actual minute while younger people consistently counted much faster.

    1. Re:Michio Kaku by girlintraining · · Score: 5, Funny

      It brings up some interesting ideas for Sci-Fi - an AI could easily have a perception of time hundreds to thousands of times faster than our own. Oh how the days would go on. Plenty of time to dream up things!

      Data: She brought me closer to humanity than I ever thought possible, and for a time...I was tempted by her offer.
      Jean-Luc Picard: How long a time?
      Data: Zero point six eight seconds, sir. For an android, that is nearly an eternity.

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    2. Re:Michio Kaku by digitalunity · · Score: 4, Funny

      I just tried it and fell asleep. Is that a sign I'm getting old?

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    3. Re:Michio Kaku by Yvan256 · · Score: 4, Funny

      Trial 1: 3.5 seconds
      Trial 2: 2.7 seconds
      Trial 3: 1.8 seconds

      Frak, I need to switch to decaf!

    4. Re:Michio Kaku by nmb3000 · · Score: 4, Interesting

      Zero point six eight seconds, sir. For an android, that is nearly an eternity.

      I've always wondered at this line of dialog. From Measure of a Man we know that Data's processing speed is "60 trillion operations per second". If we assume he dedicated his full attention to her offer for the entire 0.68 seconds, that's almost 41 trillion operations required to consider and eventually reject the offer.

      If Picard ever stopped to think about it, I'd imagine that might begin to worry him...

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    5. Re:Michio Kaku by Citizen+of+Earth · · Score: 4, Informative

      If Picard ever stopped to think about it, I'd imagine that might begin to worry him...

      Picard would probably use his 100-billion neurons firing 1,000 times per second = 100-trillion operations/second to ask "Why is Data so slow? Can't he get an upgrade?"

    6. Re:Michio Kaku by L4t3r4lu5 · · Score: 5, Funny

      That depends. How many Werther's Originals are left in the packet on the table next to you?

      Ha! It's a trick question! Only old people have Werther's Originals!

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  2. Precise Calculations by ShiftyOne · · Score: 4, Funny

    I calculated it out, and If you factor in how slow time moves after you die this is pretty obvious.

  3. Re:Ugh... by Anonymous Coward · · Score: 5, Funny

    Anyone want to trade bodies?

    I'm not falling for that one again.

  4. Re:Or its all in our head by biryokumaru · · Score: 5, Funny

    I dunno, I think I'm getting older because I swear that audio sounded more like 6 minutes...

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  5. Re:Kind of logarithmic scale by biryokumaru · · Score: 4, Interesting

    The immortal Bill Watterson described that effect best.

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  6. 1 Day Expressed as a Percentage of Your Life by MystHunter · · Score: 5, Interesting

    If you are 1 year old, then 1 day represents about 1/365th of your life. If you are 10 years old, then 1 day represents about 1/3,650th of your life. Thus the older you are the faster time may appear to pass by. When you are 1 year old, 1 day may seem to last much longer than 1 day when you are 10 years old.

    1. Re:1 Day Expressed as a Percentage of Your Life by Pike · · Score: 4, Interesting

      I visualized this idea in a graph a few years ago.

  7. Re: Relative memory versus time by Roblimo · · Score: 4, Insightful

    Exactly. At age 57, time doesn't "pass faster" for me than it did when I was 23 or 24, but each day adds a lower percentage of new experiences and memories than it did back then. This should be obvious to most people over age 10 who have decent memories.

  8. My Grandfather always said, by MyFirstNameIsPaul · · Score: 5, Funny

    "Life is like a roll of toilet paper: the older you get, the faster it goes."

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  9. We have more stuff to do! by MrCrassic · · Score: 4, Interesting

    Time flies when having fun, and as one gets older, one is allowed to do more fun things. People also get more responsibility as they age, so more responibilities = less time. That's my thesis; I think it's pretty good!

  10. Re:Ugh... by BluBrick · · Score: 5, Funny

    For what it's worth, I still disagree with the guy but there's got to be some advantage to your youth, if nothing else, think of all the abysmal 1980s technology you skipped right over!

    Bugger that! Think of all the abysmal 1980s music you skipped over. A Flock of seagulls, Wham, Adam and The Ants, Human League, Culture Club etc. I don't know how we did it, but we finally realized that just because a synthesizer could make nearly every possible sound, they didn't all have to be in the same song! And the fashion! Dear God, what horrors! - shoulder pads, big hair, jackets with sleeves rolled up, zip-up shoes (remember Ciaks?), scraps of brightly fabric tied everywhere, puffy shirts, skinny leather neckties, faux military uniforms, solitary white gloves. Oh, the humanity!

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  11. also: distance between milestones by gundersd · · Score: 5, Interesting

    Also, when you're 5 years old, the maximum amount of time that you need to spend doing something in order to feel like you've achieved something worthwhile is probably in the order of 5-10 minutes or so (drawing a picture, writing your name, building a sandcastle at the beach, making something with Lego).

    When you get to middle-age, things take much longer (achieving success in your chosen field, raising children, paying off a mortgage etc).

    My theory is that it's the lengthening of the distance in time between major milestones that makes time appear to move faster as you get older. It simply takes a lot longer to achieve anything of significance.

  12. Re:Ugh... by keeboo · · Score: 4, Interesting

    For what it's worth, I still disagree with the guy but there's got to be some advantage to your youth, if nothing else, think of all the abysmal 1980s technology you skipped right over!

    Bugger that! Think of all the abysmal 1980s music you skipped over. (...)

    Sometimes it feels I'm the only one who liked the 1980s...
    Those were the times of Cindy Lauper, (young) Madonna, A-Ha and pop-things alike.
    Those were the golden years of 8-bit computing. Machines like Amiga, Mac etc were created in that decade.
    Those were the years of Gorbachev, Thatcher, Khomeini... The video of Genesis' "Land of Confusion" was hilarious.
    The girls were colorful and with crazy hairs...
    It was shamelessly stupid and joyful.

    The 1970s OTOH, were overrated IMO (I'm glad I was too young to experience that).
    Bell pants? Afro-power microphone-like hair? Beatles gone? Progressive rock? Hippies getting older?
    Aarrrgh...

  13. Re: Relative memory versus time by wall0159 · · Score: 5, Interesting

    There was a show on the BBC recently that was a biography of John Mortimer, who died last year at 85. He was interviewed a lot in the show and one of the methods that he advocates to stay young is to keep changing and doing new things - career changes, move city, just keep doing something new. He said that think if people can do that, they can cram more new experiences into their later years, and get more out of life.

    Seems kind of obvious, in a way, but it's amazing how many people become trapped in their own routine. Routine is what makes time pass quickly.