They sent a sound wave with a frequency of around 800 Hertz (roughly the high g of a soprano) through the first waveguide and measured how well it was transmitted to the second and third waveguides.

(Credit: The Action Lab) Using a fairly beefy speaker to blast a 70 Hz tone at a big alcohol flame ... Using an air vortex cannon to focus the sound waves from the bass reflex port, it ‘wiggles ...

Sound waves are vibrations being passed on between ... wax moth is capable of sensing sound frequencies of up to 300,000 Hz (300 kHz), the highest recorded frequency sensitivity of any animal ...

Current findings indicate that music around 60 beats per minute can cause the brain to synchronize with the beat causing alpha brainwaves (frequencies from 8 - 14 hertz or cycles per second). This ...

BEIJING, Jan. 23 (Xinhua) -- An international research team led by Chinese scientists has discovered chorus waves more than 160,000 km away from Earth -- a space phenomena previously believed to occur ...