http://www.mocomi.com presents: How do you make an object vanish? REQUIREMENTS Container (Pyrex) Beaker (Pyrex) Vegetable Oil WHAT TO DO Pour vegetable oil into the larger container and then immerse the smaller container in to the larger container WHAT HAPPENS The beakers looks like a ghost like object in the container, almost invisible WHY THIS HAPPENS The real secret behind this science experiment is the index of refraction. When light travels through the glass, and then through the oil, the speed of light slows down and then it hits the glass and refracts or reflects and this is why the glass looks invisible.
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