Recent experiments that demonstrate the negative refraction of light could bring a heated scientific debate to a close, and give negative-index materials a positive future Figure 1: Negative-index ...

Physicists in Europe and the US have discovered a new type of negative-refractive-index material that is made from layers of superconducting and ferromagnetic thin films. Until now, negative ...

Five years into the commodity bull market and investors have nothing to show for it. The Dow Jones AIG Commodity Index lost 0.5% on an annualized basis since June 2004 and as happens with some highly ...

This article was written by Jim Wiederhold, Commodity Indices Product Manager at Bloomberg. 2021 and 2022 saw two stellar years for commodities, fueled by rising inflation, with the Bloomberg ...