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Make an invisible bottle!

video Make an invisible bottle!

Make a bottle disappear before your very eyes. Super easy experiment with amazing results!

11 comments

Nov 10, 2011. 4:04 AMsandeep lokhande says:

What about same shade square. what type of illusion is this.
What is the material of square?

Dec 7, 2009. 2:44 AMLankyDuke says:

Yes, the refractive indices of the glass and glycerol are the same :)
As light enters glass (or water) it slows down, in doing so it changes direction.
Think of a straw in a glass of water. The light is bent as it enters and exits the water, and you see the straw in a different apparent location.
Since the indices in this experiment are the same, the light passes through the glass and oil unphased, and it appears to VANISH!

If you don't fill the inner bottle with glycerin, then you have a volume of air, with a lower refractive index, and it destroys the illusion.

Oct 7, 2011. 6:15 AM

dyly says:

correct.

Jan 13, 2010. 9:48 AMItsYourDime says:

I saw something like this on Beakman's World when I was little. It was a little bit different though. The inner vessel was filled with water and the larger outer jar was filled with light cornsyrup. Something about the way light refracts through it makes the inner glass appear missing.

Dec 19, 2009. 7:54 PMtechie_boyz says:

the music is little bit creepy...