| Do You Hear Bells? | | There are many different bells in our everyday life. There is the doorbell, the school bell, and the church bell. There is the bell on the cooking timer and the bike bell. The bell that I am most likely to hear is the one on my friends bike. People... | |
| | Dog Whistles | | Do Dog Whistles exist purely for human ear comfort or because dogs respond more so to those higher frequencies? | |
| | Whistling | | You know when you put a finger or two in your mouth to do a REALLY loud whistle? Can someone talk me through that. I just can´t do it!! It would be handy for summoning taxis, waiters & attracting attention. Thanks! | |
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