Science Moment of the Day

  • Random
  • Archive
  • RSS
  • Ask
'\x3cspan id=\x22audio_player_17762850109\x22\x3e\x3cdiv class=\x22audio_player\x22\x3e\x3ciframe class=\x22tumblr_audio_player tumblr_audio_player_17762850109\x22 src=\x22http://sciencemoment.tumblr.com/post/17762850109/audio_player_iframe/sciencemoment/tumblr_lzjf4hU0eQ1r3szke?audio_file=http%3A%2F%2Fwww.tumblr.com%2Faudio_file%2Fsciencemoment%2F17762850109%2Ftumblr_lzjf4hU0eQ1r3szke\x26color=white\x26simple=1\x22 frameborder=\x220\x22 allowtransparency=\x22true\x22 scrolling=\x22no\x22 width=\x22207\x22 height=\x2227\x22\x3e\x3c/iframe\x3e\x3c/div\x3e\x3c/span\x3e'
  • 9 Plays
  • Shepard-Risset GlissandoUser:Gloumouth1

Sonic barber pole. If you never heard an auditory illusion before, here is your chance. This particular tone is called a Shepard glissando, and to your brain it seems as if it constantly descends, while in fact, it is a looped sound.

This is the same as staring to a moving barber pole. Here is the spectrograph analysis to prove it.

  • vertical: frequency
  • horizontal: time
  • black intensity: amplitude (volume)

Source: Wikipedia

    • #music
    • #curiosities
    • #tricks
    • #illusions
    • #hypnosis
  • 1 year ago
  • Comments
  • Permalink
  • Share
    Tweet

Portrait/Logo

Get your daily fix of science, engineering & technology. Hard facts.
  • Contact
  • @lokelectronics on Twitter
  • Facebook Profile
  • Linkedin Profile

Following

We like...

  • Photo via centralscience

    The ‘diagonal relationship’ between Lithium and Magnesium, based on their similar charge densities.

    A similar relationship exists between Beryllium...

    Photo via centralscience
  • Photo via sciencecenter

    Sticklers for punctuality, prepare yourself for the upcoming leap second

    Surely everyone has heard of the leap year, in which every fourth year is...

    Photo via sciencecenter
  • Quote via chopdawg
    “

    No wonder some women are unconsciously passive aggressive when expressing anger, sadness, or frustration. For years, they have been subjected to so...

    ”
    Quote via chopdawg
  • Post via dm2studios
    12 Energy Projects to Watch in 2012

    via forbes.com

    The U.S. Department of Defense has 300,000 buildings and an energy bill that...

    Post via dm2studios
See more →
  • RSS
  • Random
  • Archive
  • Ask
  • Mobile

Effector Theme by Carlo Franco.

Powered by Tumblr