On 5 May 2002, he returned to Earth on Soyuz TM-33. In order to participate in the flight, Shuttleworth had to undergo one year of training and preparation, including seven months spent in Star City, Russia. While in space he had a radio conversation with Nelson Mandela and a 14-year-old South African girl, Michelle Foster, who asked him to marry her.
If you're looking for a full-time job in the hospital and can't find one, a PRN job can help you get your foot in the door. The initials PRN stand for the Latin phrase pro re nata, which means as the situation demands.. If your job is PRN, it means you only work when they need you. It's hard to plan your life or your budget around PRN work, unless you're the one who decides when and how often to work, but there are also benefits to working PRN.
In chemistry, a hydron is the general name for a cationic form of atomic hydrogen, represented with the symbol H+ . The term proton refers to the cation of protium, the most common isotope of hydrogen.nlike other ions, the hydron consists only of a bare atomic nucleus. The hydron (a completely free or naked hydrogen atomic nucleus) is too reactive to occur in many liquids, even though it is sometimes visualized to do so by students of chemistry.