A quarter set in a block of dry ice rocks back and forth due to subliming carbon dioxide flowing past it. The sounds are great. Put on your safety goggles and gloves. Firmly push the room-temperature ...

But dry ice is so cold it heats up really quickly and misses out the liquid state in the middle turning straight into gas. This process in called sublimation. This could be used to introduce the ...

It is called "dry ice" because it undergoes sublimation, a process where it transitions directly from a solid to a gas without passing through the liquid state. Its temperature is about -78.5 ...

AN ice sublimation or freeze-drying process will have maximum rate of vaporization per unit exposed area of frozen product at a specified temperature if the following conditions are satisfied : (i ...