box Navigate to: Summary- Norman F. Ramsey- Hans G. Dehmelt- Wolfgang Paul Press release Award ceremony speech Contents: Introduction » Precision measurements using atomic beams and ion traps » The traps of Paul and Dehmelt » Ramsey and the atomic clocks » Some precision data obtained by ion traps and atomic beams » Further Reading Based on materials from the 1989 Nobel Poster for Physics. Credits and references for the poster » Go to the top of the page