Cryogenics Cryogenics In physics, cryogenics is the production and behaviour of materials at very low temperatures. A person who studies elements that have been subjected to extremely cold temperatures is called a "cryogenicist". It is not well-defined at what point on the temperature scale refrigeration ends and cryogenics begins, but scientists assume a gas to be cryogenic if it can be liquefied at or below . The U.S. National Institute of Standards and Technology has chosen to consider the field of cryogenics as that involving temperatures below . This is a logical dividing line, since the normal boiling points of the
Cry Baby Cry (Santana song) features Santana playing the guitar, Sean Paul in a black wall singing, and footage of women crying (Dania Ramirez of "Heroes"). Stone does not appear in the video. Cry Baby Cry (Santana song) "Cry Baby Cry" is a song by American rock band Santana from their nineteenth studio album, "All That I Am" (2005). The song features Jamaican singer and songwriter Sean Paul and English singer and songwriter Joss Stone, and was released as the album's third and final single. It was written by Lester Mendez, Sean Paul, Kara DioGuardi, and Jimmy Harry. "Cry Baby Cry" was the third US