The same way you record normal sound. infra sound is the same as normal sound but our ears cannot hear it. a microphone would.
A phonograph is a record player, not a recorder. It plays, it does not record.
What is the way to organize and record results and observation?
No they didnt
So there exists a record of your experiment that others, or yourself later on, can refer to.
You have to have writable DVD's in order to be able to record on to them; there is no way to get around that aspect of it. Regular DVD's play or allow access to what is stored on them; a write can record to a DVD-RW but can not record or store to a regular DVD.
Infrasound has a longer wavelength.
Humans are able to hear infrasound, depending upon frequency and amplitude.
Range of frequency associated with infrasound is less than 20Hz.
yes
infrasound
infrasounds
infrasound
i dont know im only 3
infrasound
Ultrasound is above 18 kilohertz. Infrasound is below 20 hertz.
No, but you can use ultrasound to clean glassware.
infrasound