Certain ESR spectra observed following the reaction of OH radicals with uracils had previously been assigned to the radicals produced by addition to the 5 position followed by keto-enol tautomerism ...

We've learned about light and how to bend it to our will. But what can we LEARN from it? Light is everywhere … but it’s not as predictable as you might think. It’s a wave that travels in straight ...

PROF. WÜLLNER, of Aachen, has recently published a treatise on the two different views which are held by physicists with regard to the various spectra presented by gases which are rendered ...

PREVIOUS work on series lines in spectra has dealt chiefly with lines produced in the electric arc, or in vacuum tubes with discharges of moderate intensity. The lines discussed in the present ...