Atomic and molecular beams are employed in physics and chemistry experiments and, to a lesser extent, in the biological sciences. These beams enable atoms to be studied under collision-free conditions
Atomic and molecular beams are employed in physics and chemistry experiments and, to a lesser extent, in the biological sciences. These beams enable atoms to be studied under collision-free conditions
Dialogue on global warming has progressed from the Kyoto Protocol to meetings in Copenhagen and Cancun and will soon resume in meetings in South Africa. Some observers consider the Copenhagen conferen
