Stringer and Rosenfield 1 have recently calculated some activation energies for diffusion of oxygen in transition metals, which were not otherwise available. One of these metals was tungsten. In a ...

What are we looking for? The U.S. yield curve, specifically the two- to 20-year segment, is steepening. A steepening yield curve often signals an early expansion phase of the business cycle that leads ...

Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician (CMT). A flat yield curve plots the yield of bonds of different maturity dates, ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...