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Noyemi K posted:The real schadenfreude is that that derail keeps coming up to haunt us and will never, ever die. The realest schadenfreude is that on top of things people also don't know how to use Google to find poo poo out for themselves. http://lmgtfy.com/?q=could+a+plane+take+off+on+a+treadmill
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Nov 15, 2014 21:53
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Masked Pumpkin posted:Ugh fine, have this instead: Wait is the air from the fan rotating the rotors or are they motor powered?
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Nov 15, 2014 22:11
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That's not a fan, that's a record player. In other words, a rotating disk. With this set-up you could actually have the rotor blades stationary relative to the air. The problem is that the helicopter itself would be spinning crazy fast. Helicopters aren't built with that in mind. So it'll probably take off. In tiny bits. Flying in every lateral direction.
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Nov 15, 2014 22:19
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Carbon dioxide posted:That's not a fan, that's a record player. In other words, a rotating disk. Or, you manage to get it off the ground(giant turntable) but it has spun around so much the pilot just throws up all over the controls and it crashes (I assume into some kind of giant DJ box.)
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Nov 15, 2014 22:42
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Someone paid money for this:
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Nov 15, 2014 23:13
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Pierzak posted:Someone paid money for this: Oh that is loving priceless
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Nov 15, 2014 23:20
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My parents bought one of those so-called "ultrasonic" pest repellers when I was young. You know who can still hear 20 kHz beeping? Young people. I very nearly destroyed it in a fit of rage and my parents had no idea why it made me so upset.
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Nov 15, 2014 23:26
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Pierzak posted:Someone paid money for this: That's like the deer-whistle for houses 
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Nov 15, 2014 23:35
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A few years ago a device called the "Mosquito" was rather popular here. It was simply a device that emitted a high tone only young people could hear. They were installed in a bunch of places where young folks like to hang out, for instance in front of shopping malls. They didn't last long, most of them were removed. Especially after it became widely known that loud near-ultrasonic tones damage ears permanently, even if you can't hear them. I think I still know one or two places where they were never removed.
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Nov 15, 2014 23:36
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Carbon dioxide posted:A few years ago a device called the "Mosquito" was rather popular here. It was simply a device that emitted a high tone only young people could hear. They were installed in a bunch of places where young folks like to hang out, for instance in front of shopping malls. Reading this made me mad irl, the schadenfreude is me 
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Nov 16, 2014 00:11
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If I remember correctly you used to be able to buy those "mosquito" tones as a ringtone or cell phone alert sound. So if you were in high school or something you would know to check your phone but your teacher wouldn't hear anything.
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Nov 16, 2014 00:13
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RandomFerret posted:Dude is trolling. Nobody actually thought the question was "Can a thing move if it can't move." That's exactly what lots of people think, that's where the big argument over it comes from.
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Nov 16, 2014 00:32
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Carbon dioxide posted:A few years ago a device called the "Mosquito" was rather popular here. It was simply a device that emitted a high tone only young people could hear. They were installed in a bunch of places where young folks like to hang out, for instance in front of shopping malls. I looked up the tone on YouTube. I played the video on my work PC and couldn't hear anything so I turned my speakers way up and played it again. I heard the 25 year old receptionist yell "WHAT IS THAT NOISE?" and quickly turned it off. My ears are too old to hear the sound.
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Nov 16, 2014 01:39
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Just note that when you look up 'tone hearing tests' on the internet, if nobody hears them at all, the reason could be that your speaker isn't made for the high end of the sound spectrum. E: Hmm, I'm 26 and I can barely hear it. I think I could hear it better a few years ago. The first thing I noticed when I put it on was a very uncomfortable, almost painful feeling in my ears. Please put your sound low before starting this clip, it seriously hurts. https://www.youtube.com/watch?v=uKl_sTh0oHE Carbon dioxide has a new favorite as of 01:55 on Nov 16, 2014 |
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Nov 16, 2014 01:49
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I didn't turn down the speakers and now the schadenfreude is me. I'm 28 and I can hear it clearly, my wife is 27 and couldn't hear it at all mwaha
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Nov 16, 2014 01:59
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I'm 37 and I can hear it.
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Nov 16, 2014 02:09
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30. I can imagine that noise being used to torture someone.
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Nov 16, 2014 02:15
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Pierzak posted:Someone paid money for this: Oh, they must have wired it up backwards.
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Nov 16, 2014 02:17
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Pierzak posted:Someone paid money for this: It costs $500
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Nov 16, 2014 02:26
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You checked to make sure it was a real product too, didn't you? I ain't gonna get fooled like that no birds sign again. I never thought about why that sign would be entirely pointless to put up, I just thought it was funny because gently caress the law.
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Nov 16, 2014 02:31
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VanSandman posted:You checked to make sure it was a real product too, didn't you? Newegg sells it. It's a little 
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Nov 16, 2014 02:34
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Craptacular posted:I'm 37 and I can hear it. Me, too, to both of those. I couldn't hear another one that claimed to be playing the sound, though.
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Nov 16, 2014 02:39
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Carbon dioxide posted:Just note that when you look up 'tone hearing tests' on the internet, if nobody hears them at all, the reason could be that your speaker isn't made for the high end of the sound spectrum. I can't hear it (not surprising, I am  and frequently work with loud machinery) but it seemed to wake up my elderly cat. Maybe cats don't lose the high frequencies like people do.
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Nov 16, 2014 02:41
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I'm 28, have been blasting my eardrums out with headphones since seventh grade, and I could hear it 
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Nov 16, 2014 02:43
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Darkhold posted:wouldn't admit I was right even as I tried to re-explain it using the 100 doors version of it (which is what really makes me understand it). The best way to get a stubborn person to understand the Monty Hall problem is with a deck of cards. Have them draw a random card without looking. Then you go through the entire deck and find the Ace of Spades. Put it in front of you face-down and throw the other 50 cards aside. Tell them that one of you has the Ace of Spades. Ask if they'd like to switch.
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Nov 16, 2014 02:43
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Yep. Same noise an old tube TV would make when it was on and the cable box was off.
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Nov 16, 2014 02:44
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Sex Hobbit posted:I'm 28, have been blasting my eardrums out with headphones since seventh grade, and I could hear it I'm 40, have attended many rock concerts and have constant tinnitus, and can hear it clear as day without having to turn up the speakers barely at all. Do I win?  Boat posted:Yep. Same noise an old tube TV would make when it was on and the cable box was off. I could hear that tube TV on a separate floor on the other end of the house when I was a kid. I got the freaky mutant ears.
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Nov 16, 2014 02:54
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Bart Fargo posted:I'm 40, have attended many rock concerts and have constant tinnitus, and can hear it clear as day without having to turn up the speakers barely at all. Yeah I can hear things from forever away. Except for people talking when they're three feet from my ears. 
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Nov 16, 2014 02:58
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Shugojin posted:Yeah I can hear things from forever away. Except for people talking when they're three feet from my ears. I can still hear the mosquito sound but I always have to ask people to repeat themselves when they're talking to me. Pierzak posted:Someone paid money for this: Reminds me of this old picture: 
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Nov 16, 2014 03:43
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Sex Hobbit posted:I'm 28, have been blasting my eardrums out with headphones since seventh grade, and I could hear it Same. Although I'm 25 and I can still hear it 30 seconds after the bloody noise ended. Tinnitus?
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Nov 16, 2014 03:51
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Carbon dioxide posted:Just note that when you look up 'tone hearing tests' on the internet, if nobody hears them at all, the reason could be that your speaker isn't made for the high end of the sound spectrum. 30 and gently caress me that's painful with headphones. I'm pretty sure this is a slightly lower frequency than was used over here (I used to work as a contract cleaner so I'd be at bus stations at 4am and those things would be buzzing away, had to work with earplugs). I believe (too drunk/tired to look it up) that the European Court found the mosquito thing to be illegal as it found to be unfair discrimination against teenagers. After it was 'outlawed' the bus station I used to clean would just play Classical Music over the PA to keeps the kids out, which I found hilarious.
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Nov 16, 2014 04:05
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I'd like to formally apologize to the people of the thread now because I thought you guys were being big babies about derails whenever they happened ITT. But now that it's literally people talking about who can and can't hear a sound; oh Jesus I see why it bothers you so much.
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Nov 16, 2014 04:09
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RareAcumen posted:I'd like to formally apologize to the people of the thread now because I thought you guys were being big babies about derails whenever they happened ITT. But now that it's literally people talking about who can and can't hear a sound; oh Jesus I see why it bothers you so much. Some people don't notice high-frequency derails - I guess this one is just a little lower in pitch?
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Nov 16, 2014 04:18
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Jabor posted:Some people don't notice high-frequency derails - I guess this one is just a little lower in pitch? It's just because we've had three derails in a row that it hertz.
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Nov 16, 2014 04:20
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AfroSquirrel posted:It's just because we've had three derails in a row that it hertz. No need to whine.
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Nov 16, 2014 04:24
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I can hear things from forever away(and can hear that sound at 35) but have trouble differentiating noises so I can't understand what people are saying if there are multiple sound sources. 
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Nov 16, 2014 04:24
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RFC2324 posted:I can hear things from forever away(and can hear that sound at 35) but have trouble differentiating noises so I can't understand what people are saying if there are multiple sound sources. Same (and also 35). Someone was talking in the theater behind me during the quiet parts of Interstellar (about how they couldn't understand what was being said) and all I could focus on was them whining. So the early quiet bits I really have no idea about. They eventually moved forward and then the movie started being loud.
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Nov 16, 2014 04:31
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Whattt???? 
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Nov 16, 2014 04:34
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Have some binaural beats! http://gethighnow.com/binaural-beats/ The schadenfreude is people pay money for them.
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Nov 16, 2014 04:56
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| # ? Jun 6, 2024 13:08 |
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pentyne posted:Have some binaural beats! It's silly to pay for but it does work
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Nov 16, 2014 05:02
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