Twenty-Five-Fold Reduction in Measurement Uncertainty for a Molecular Line Intensity

Molecular Sieve Zeolite Technology — the First Twenty-five Years

In twenty—five years molecular sieve zeolites have substantially impacted adsorption and catalytic process technology throughout the chemical process industries; provided timely solutions to energy and environmental problems; and grown to over a hundred million dollar industry worldwide. The evolution in zeolite materials with improved or novel properties has strongly influenced the expansion o...

Twenty-Five Years Ago

Tarasoff at twenty-five.

In 1976, in the landmark case of Tarasoff v. The Regents of the University of California, the California Supreme Court imposed a legal duty on psychotherapists, enforceable by a civil suit for damages, to warn a person who may become a victim of a violent act by a patient. Courts and legislatures in other jurisdictions soon began to examine the subject, and within a decade or so the “duty to wa...

Twenty Five Years Ago

A second individual next went down the shaft of the well with a rope to try and rescue the boy, but was suffocated and ropped into the water. A third then went down, dangled his legs in the water and tried to grasp the two still living bodies between his knees. He suddenly felt suffocated, however, and shouted to be drawn up. This man recovered; he states that he thinks the two were still livin...

Twenty Five Years Ago