The broad-spectrum laser has its optical power concentrated in one spectrum, making it easier to excite thin thorium films. When the energy from the laser was precise to bring about the transition ...

Publications of the Astronomical Society of the Pacific, Vol. 113, No. 783 (May 2001), pp. 548-566 (19 pages) ABSTRACT An atlas of a thorium‐argon hollow cathode lamp in selected intervals of the ...

A top-down view of an experimental thorium-based nuclear reactor from the 1960s. (Photo: Oak Ridge National Laboratory, US Department of Energy) The sands of India are brimming with potential to fuel ...

The exploded wire method for fine wires or filaments is described at length, showing, for example, how 0.2 per cent of thorium in a tungsten ... conditions a composite spectrum exhibiting a ...