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Picture of The Pepper's Ghost Illusion
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Pepper's Ghost is a special effects technique for creating transparent ghostly images. It works by reflecting the image of a ghost off of a sheet of plexiglass. IThis effect has been a staple of theaters and haunted houses since John Pepper popularized it in the 1800s. In this project, I am going to show you how you can incorporate this technique into your Halloween setup.



Step 1: How the Illusion Works

Picture of How the Illusion Works
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The main background and any live characters are positioned in front of the audience. The ghost is located off to the side where it is not in the direct view. The ghost room can either be black or a mirror image of the main background. A sheet of plexiglass is positioned in front of the audience and set at a 45 degree angle to both the audience and the ghost. At this angle the background remains clearly visible but the glass also partially reflects an image of the ghost. To the audience, it appears as though there is a transparent ghost in the scene in front of them.
 
sadariyah1 month ago

hi, i did at home but there is a problem . i got two reflection or may be you can say offset of the projection . can you clear that how can make professional Glass like this "http://www.realfiction.com/casestudy-item/martell-cordon-bleu/"

I think that you are getting a reflection off both the front and bad faces of the glass. You can use a really thin sheet of Plexiglas. That way the offset would be smaller. Or you can make everything bigger. The bigger the projection is, the smaller the offset seems by comparison.

NomadHobbyist7 months ago

Cool! I have to try this sometime.

Austydude1 year ago
WOHA!!!! Cool! It is good I used it in my movie I scared the pants on the people that saw my movie!

Very nice! Fun fact: this technique is still used today at Disney's Haunted Mansion in the Magic Kingdom.

mino20031 year ago
bravo
metalsonic1 year ago
Sorry, I double posted .
metalsonic1 year ago
I may have to try this some time
metalsonic1 year ago
I may have to try this some time
We'll do
Great instructable!! Keep up the good work!
blodefood1 year ago
Thanks for the history lesson and the technical variations!
cybercapri1 year ago
Well done, thanks for sharing....
Thanks! Great vid!
How much does a small sheet of plexiglass cost?
It depends on the size and the thickness as well as which hardware store you go to. Just stop by your local hardware store and check.