Sounds easy enough if you have access to a -25°C freezer. So, umm, since the supposed reason is to prevent certain liquid explosives, and -40°C are a thing (as

Sounds easy enough if you have access to a -25°C freezer. So, umm, since the supposed reason is to prevent certain liquid explosives, and -40°C are a thing (as well as -80°C freezers - https://www.grainger.com/category/lab-supplies/lab-cooling-refrigeration/lab-refrigerators-freezers/lab-freezers https://www.grainger.com/category/lab-supplies/lab-cooling-r... ) ... yeah, can't help but reinforce my belief it's all a sham.