4 ms·What would you do with the liquid Nitrogen you generate? What is the hello world app of cryogenics?by Jun8 16y agoWhat would you do with the liquid Nitrogen you generate? What is the hello world app of cryogenics?cperciva 16y agoWhat is the hello world app of cryogenics? Making ice cream.pbhjpbhj 16y agoI thought it was desiccating flowers.