Resumen de Demons entropy and the quest for absolute zero.
The article examines how a 19th-century thought experiment by Scottish physicist James Clerk Maxwell, which theorized a demon capable of violating the rules of thermodynamics, resulted in the development of a real technique for reaching ultralow temperatures that could pave the way for scientific discoveries and useful applications. Topics include an overview of nature of molecules, the challenges to stopping and manipulating molecules, and an experiment by the author and colleagues in which supersonic beams are slowed down, trapped, and cooled to near absolute zero temperatures. INSETS: Devilishly Cool;Magnetic Brakes.
