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James Randi Speaks: Dowsing, the Ideomotor Effect

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Uploaded by on Feb 18, 2009

James Randi Speaks Video 7

Recorded: 2/18/2009 at the James Randi Educational Foundation

Lighting, Camera and Editing by: Richard Montalvo (rmontalvo23@gmail.com)


The James Randi Educational Foundation gets many applicants for it's Million Dollar Challenge who claim to be able to dowse. Many say that they can detect things from Water, Gold, Money and the like. What many of them fail to do is to research the ideomotor effect.
We received an application for the Challenge which is a perfect example of how people sometimes just can't understand that the rods are only responding to their movements.

Information on Ideomotor Effect
http://skepdic.com/ideomotor.html

More video of Randi and Dowsing
http://www.youtube.com/watch?v=xOsCnX-TKIY

Dowsing in the News
http://www.youtube.com/watch?v=C8BxmXHRaBI

Dowsing with Derren Brown
http://www.youtube.com/watch?v=7rOqyMykIso

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  • James Randi, what a wonderful man!

  • 2:30 CLEARLY MOVING HIS HANDS, HAHAHA.

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All Comments (1,010)

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  • Ah, another person challenged by the concept of motion! How every entertaining! :) "I didn't do that" - but of course you did! "I'm keeping it leveled" - no, no, you aren't, because nobody with a properly functioning body can! "I'm not moving my hands" - just as you move them... how very "ironic"! :)

    As children find out playing, it takes very little energy to manipulate these things (weights or not; I'd love to see the physics concept behind these, by the way).

    Keep up the good work, JREF! :)

  • Your vid is popular on Saint Kitts and Nevis

  • the roatating globe in the background is cool

  • @WirlWind494 lol true.

  • @ZZzzzzzWhat Disregard my previous comment, I really need to start watching video's before I read / respond in comments.

    I honestly thought this guy woulda been like atleast a few meters away with a smaller circle or something, but 1 step away? That's bloody laughable!

  • You know, Greg, umm ... never mind!

  • lol, whats the use of the painted glasses if he knew the distance where the circle was?

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