Cryogenics scale, both of which measure from absolute zero, rather than more usual scales such as Celsius or Fahrenheit, with their zeroes at arbitrary temperatures. The word "cryogenics" stems from Greek "κρύο (cryo)" – "cold" + "γονική (genic)" – "having to do with production". Cryogenic fluids with their boiling point in Kelvin Liquefied gases, such as liquid nitrogen and liquid helium, are used in many cryogenic applications. Liquid nitrogen is the most commonly used element in cryogenics and is legally purchasable around the world. Liquid helium is also commonly used and allows for the lowest attainable temperatures to be reached. These
What Do You Mean? "What do you mean / When you nod your head yes, but you wanna say no? / What do you mean / When you don't want me to move, but you tell me to go?." "USA Today" Carly Mallenbaum, who heard the song in early August, described it as a "catchy dance track for the club". Similarly, a writer for "The Daily Beast" said, "['What Do You Mean?' is] pretty damn catchy; a slow-burner that, like that collab, swells into a Bieber banger". Gil Kaufman of MTV News also called it a "banger", explaining, "the track is classic JB: seductive,