What does it mean when an ambulance has its lights on but the siren is off? Don't worry, it may not be as scary as it sounds.
Ask any Japanese today what an ambulance siren sounds like, and "pee-po" would be their answer. Until 50 years ago, however, all ambulances, fire engines and police cars in Japan made the same ...
Neuroscientists analyzed how the prefrontal cortex filters through conflicting stimuli to determine when, say, it’s safe to ...
This might seem difficult, but it's something we all do intuitively: To experience it for yourself, try using your voice to mirror the sound of an ambulance siren, a crow, or a bell being struck.
“When the ambulance arrives with the patient ... added that “A single press turns on the primary ‘wailer’ siren used for transmitting sound long distances, subsequent presses will cycle ...
When you pull a tab, the thumb-size alarm emits a 120 db sound—as loud as an ambulance siren. Created by a female-led design team, the device is lightweight, easily fits in a small pocket and ...