Complex sentence: In 2003, a team led by Wolfgang Ketterle produced extremely cool sodium gas; he had won Nobel Physics Prize in 2001 for his work on bose-Einstein condensate, a new state of matter that only exists close to absolute zero.
Split into simpler sentences: In 2003, a team led by Wolfgang Ketterle produced extremly cool sodium gas. Ketterle won Nobel Physics Prize in 2001 for his work on bose-Einstein condenstate, a new state of matter that only exists close to absolute zero.