1) Science fiction theme 
Cryotank or cryogenic tank is a tank that is used to store frozen biological material. Cryotanks and cryogenics can be seen in many sci-fi movies but today, it is still an up and rising technology. The term `cryotank” refers to storage of super-cold fuels, such as liquid oxygen and liquid hydrogen. The premise of it seems very simple. All that.....