Believe it or not I saw this on the kid segment on David Letterman the other night. The kid poured liquid nitrogen on some soap bubbles and it exploded into layers of foam streaming down the side of the container. Could this be copied using edible ingredients? I first tried egg white and xantham. The weight of the nitrogen hitting the bubbles broke every one. I then tried a lecithin combination. Again the force of the nitrogen was too great. I then tried a mixture of gum base and glycerin. I then used a air pump to start the bubbles. This structure was able to hold up when the nitrogen was poured on it. The next step is how to use this in a dish. 
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