Of course, not quite a gadget and not quite for geeks, but I really liked the idea. Habrayuser and designer shestopalov came up with an original idea for storing frozen food.
The point is this: ice balls are placed in the packing in special sealed slots, and if the product has been thawed at least once during storage and transportation, they melt and lose their shape. What can be seen with the naked eye. ')
Read more on the ideas page .