Separating salt and pepper without physical contact

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31 replies · 5K views
DaveC426913 said:
It most distinctly is not.

You could slip a solid object such as a piece of paper between the balloon and the mixture. No physical contact.
It most distinctly is

You could slip a solid object such as a piece of glass between the balloon and the mixture. No separation.
 
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jimmysnyder said:
It most distinctly is

You could slip a solid object such as a piece of glass between the balloon and the mixture. No separation.
You appear to be saying that "it most distinctly is" physical contact between the balloon and the mixture. Is that what you meant to say?

My point was I could slip something between balloon and mixture, demonstrating that no physical contact is necessary to in order to separate the substances.