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Hipervinculo Tecnología

Whispering Walls

“The walls have ears,” as the saying goes when people tell hushed secrets behind closed doors. Surprisingly, sometimes the walls whisper back. A whispering wall is an architectural structure designed ...

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Hipervinculo Física

Air & Sound

In this experiment students will examine the relationship between air pressure and the perceived loudness of sounds.It is an educational content by education.com.By clicking on the title of this resou ...