أرسل هذا في رسالة قصيرة: Phase transition accompanied by transformation of an elusive discrete cyclic water heptamer to a bicyclic (H2O)7 cluster

 ______     _____     ____       ___      _  _   
|      \\  |  ___||  |  _ \\    / _ \\   | \| || 
|  --  //  | ||__    | |_| ||  / //\ \\  |  ' || 
|  --  \\  | ||__    | .  //  |  ___  || | .  || 
|______//  |_____||  |_|\_\\  |_||  |_|| |_|\_|| 
`------`   `-----`   `-` --`  `-`   `-`  `-` -`