For Sunday Science this week, Daddy got out the function generator to teach the kids about sound waves. David and I could hear sounds up to about 14-15 kHz and the kids could hear sounds up to 17 kHz. We suspect that Mr. Two Year Old could hear higher frequency sounds, though, as he was covering up his ears when no one else could hear a thing!
Awesome! That's the way you raise the next generation of mad scientists, by showing them the fun stuff. :)
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