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I'm sure everyone has heard about the "audio-repeller" that was supposed to chase away teenagers... and how the kids rebelled by turning the sound into a ringtone only they can hear. Wicked smart. Well if not
click here to read the article. I've finally found another
site that host the sound files for what I believe is true 18MHz files. You can also find a
cool site that lets you check your hearing based on a frequency scale. I can here the sound on the
NPR site, but not the
18MHz files from the other site. Very cool.
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