2 ms·
In SF, waking around, the sirens seem so ridiculously loud. I have a hard time believing that loudness level was derived by research versus just going as high a
by MichaelGG 12y ago
In SF, waking around, the sirens seem so ridiculously loud. I have a hard time believing that loudness level was derived by research versus just going as high as possible without causing immediate physical damage.