A CORRESPONDENT to your last number has troubled himself to propound an elaborate theory, to account for the blue tinge which he states is always exhibited by the flame of hydrogen. There are also ...

A PROCEDURE has been developed for selectively increasing the responsiveness of a hydrogen flame ionization detector1 to compounds which contain chlorine, bromine, iodine or phosphorus. The basis ...

TOKYO (AP) – Inspired by the sun, the Tokyo Olympic cauldron is designed to be better for the planet. The flame at Tokyo’s National Stadium and another cauldron burning along the waterf… ...