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Title: what is the frequency range that we can detect with sensory equipment?
Post by: tenshi_R on November 06, 2010, 03:04:08

im curious about the complete range of frequencies that we humans can detect with our body senses and using the sensory equipment ( machines, microphones,light sensors etc)

what is the range and what is out of range or type of waves

Title: Re: what is the frequency range that we can detect with sensory equipment?
Post by: CFTraveler on November 06, 2010, 15:39:29

For humans
The eye can see about from 400 to 790 THz.
http://en.wikipedia.org/wiki/Visible_spectrum

The ears can hear from 20 Hz to 20 kHz.
http://www.ncbi.nlm.nih.gov/bookshelf/br.fcgi?book=neurosci&part=A889

Machines can detect IR, X-Rays, UV, and I think Gamma Rays. Probably all sounds frequency possible, because all it takes is for something to vibrate and count.

The Astral Pulse

Metaphysics => Welcome to Quantum Physics! => Topic started by: tenshi_R on November 06, 2010, 03:04:08