New research from Stanford University has investigated the performance limits of transition metal dichalcogenide solar cells ...

Leaf illumination from a tungsten halogen lamp in the spectrometer was provided through one branch of the bifurcated fiber. Leaf disks (diameter 1 cm) within the region of infiltration were excised, ...

Light bulbs are one of those circuit elements we pretend are perfect, but they aren’t. Tungsten filaments have a low resistance when cold, which causes a bulb to draw a lot of current when it ...

THE uniform intrinsic brilliancy and compactness of the tungsten arc lamp have led to its extensive application as an illuminant for photomicrography. It does not appear to be generally recognised ...