Weirdness
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I was just wondering if anyone can tell me why you can see the refresh rate of the monitor flickering out of the corner of your eye at some angles, but you don't see it when you're looking right at it. I was looking at the wall above and to the right of my monitor and I could see the waves the refresh flickering down my screen. Why is that? Signed, Too much time on my hands.
"I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?" -xterm
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I was just wondering if anyone can tell me why you can see the refresh rate of the monitor flickering out of the corner of your eye at some angles, but you don't see it when you're looking right at it. I was looking at the wall above and to the right of my monitor and I could see the waves the refresh flickering down my screen. Why is that? Signed, Too much time on my hands.
"I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?" -xterm
Peripheral vision is very good at detecting movement and changes in light intensity. It's terrible, however, at figuring out what it is that is moving. If you have a relatively small car (like a Civic) with a weak alternator, using your peripheral vision at night you can actually see the lights on your dashboard vary their brightness with your RPMs. Look directly at the lights, and you won't really notice a significant change in brightness. You can observe the same basic phenomena on a base hit if you have a pretty strong amplifier in your car (which is how I first noticed it). -- Russell Morris "Have you gone mad Frink? Put down that science pole!"
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Peripheral vision is very good at detecting movement and changes in light intensity. It's terrible, however, at figuring out what it is that is moving. If you have a relatively small car (like a Civic) with a weak alternator, using your peripheral vision at night you can actually see the lights on your dashboard vary their brightness with your RPMs. Look directly at the lights, and you won't really notice a significant change in brightness. You can observe the same basic phenomena on a base hit if you have a pretty strong amplifier in your car (which is how I first noticed it). -- Russell Morris "Have you gone mad Frink? Put down that science pole!"
Russell Morris wrote: Peripheral vision is very good at detecting movement and changes in light intensity. I was just about to ask if that was true or just a myth. It certainly seems true though. Guess it is from that whole evolution thing and being hunted huh? :) Russell Morris wrote: You can observe the same basic phenomena on a base hit if you have a pretty strong amplifier in your car The weirdest is that if I am looking through my rear view mirror I can see the rear windscreen vibrate on deep bass notes. But if I turn around and look at the rear windscreen I can never notice it.
Paul Watson
Bluegrass
Cape Town, South AfricaRay Cassick wrote:
Well I am not female, not gay and I am not Paul Watson -
Russell Morris wrote: Peripheral vision is very good at detecting movement and changes in light intensity. I was just about to ask if that was true or just a myth. It certainly seems true though. Guess it is from that whole evolution thing and being hunted huh? :) Russell Morris wrote: You can observe the same basic phenomena on a base hit if you have a pretty strong amplifier in your car The weirdest is that if I am looking through my rear view mirror I can see the rear windscreen vibrate on deep bass notes. But if I turn around and look at the rear windscreen I can never notice it.
Paul Watson
Bluegrass
Cape Town, South AfricaRay Cassick wrote:
Well I am not female, not gay and I am not Paul WatsonPaul Watson wrote: The weirdest is that if I am looking through my rear view mirror I can see the rear windscreen vibrate on deep bass notes. But if I turn around and look at the rear windscreen I can never notice it. You sure it's not the rear view mirror vibrating? :-D -- Help me! I'm turning into a grapefruit!
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Paul Watson wrote: The weirdest is that if I am looking through my rear view mirror I can see the rear windscreen vibrate on deep bass notes. But if I turn around and look at the rear windscreen I can never notice it. You sure it's not the rear view mirror vibrating? :-D -- Help me! I'm turning into a grapefruit!
benjymous wrote: You sure it's not the rear view mirror vibrating? LOL, but no. The 6x9s and amp are in the backboard. Also my face does not vibrate along with the rear windscreen when I look.
Paul Watson
Bluegrass
Cape Town, South AfricaRay Cassick wrote:
Well I am not female, not gay and I am not Paul Watson -
Peripheral vision is very good at detecting movement and changes in light intensity. It's terrible, however, at figuring out what it is that is moving. If you have a relatively small car (like a Civic) with a weak alternator, using your peripheral vision at night you can actually see the lights on your dashboard vary their brightness with your RPMs. Look directly at the lights, and you won't really notice a significant change in brightness. You can observe the same basic phenomena on a base hit if you have a pretty strong amplifier in your car (which is how I first noticed it). -- Russell Morris "Have you gone mad Frink? Put down that science pole!"
Another fun test with vision (at least with monitors) is what I like to call the Doritos test. Stand back a good 10 to 15 feet. Crunch a chip while looking at the monitor. You can get pretty good at telling the refresh rate of a monitor that way ;P hint: 60 Hz - Large shake 75 Hz - small shake >80 Hz - almost no visible shake It's fun for the whole family! :laugh: Programming in binary is as easy as 01 10 11.
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benjymous wrote: You sure it's not the rear view mirror vibrating? LOL, but no. The 6x9s and amp are in the backboard. Also my face does not vibrate along with the rear windscreen when I look.
Paul Watson
Bluegrass
Cape Town, South AfricaRay Cassick wrote:
Well I am not female, not gay and I am not Paul WatsonPaul Watson wrote: Also my face does not vibrate along with the rear windscreen when I look. Then the music is not anywhere near loud enough! :-D Chistopher Duncan Author - The Career Programmer: Guerilla Tactics for an Imperfect World (Apress)
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Paul Watson wrote: Also my face does not vibrate along with the rear windscreen when I look. Then the music is not anywhere near loud enough! :-D Chistopher Duncan Author - The Career Programmer: Guerilla Tactics for an Imperfect World (Apress)
Christopher Duncan wrote: Then the music is not anywhere near loud enough! Speaking of music... how is that sweet new ride of yours sounding?
Paul Watson
Bluegrass
Cape Town, South AfricaRay Cassick wrote:
Well I am not female, not gay and I am not Paul Watson -
Christopher Duncan wrote: Then the music is not anywhere near loud enough! Speaking of music... how is that sweet new ride of yours sounding?
Paul Watson
Bluegrass
Cape Town, South AfricaRay Cassick wrote:
Well I am not female, not gay and I am not Paul WatsonPaul Watson wrote: Speaking of music... how is that sweet new ride of yours sounding? The sound system is on par with the rest of the car, it definitely rocks. I thought this thread was funny because just last night I noticed my rearview mirrors twitching to the beat of the music. It also has the feature where the stereo automatically raises the volume (by compression if I recall correctly) to compensate for the additional noise as you go faster. So, the gas pedal not only makes you faster, it makes you louder. Talk about one stop shopping! Of course, since I haven't had the car that long I'm not used to what the normal noises, vibrations, etc. are. The other day I turned down the stereo to see what was wrong because I was feeling some intermittent thumping in the floorboard through my feet, and thought something had come loose. As it turns out, it was nothing more than the rhythm section from the Coverdale / Page CD. A Corvette is a daily exercise in self control... :-D Chistopher Duncan Author - The Career Programmer: Guerilla Tactics for an Imperfect World (Apress)