Through a process known as thermionic conversion, heat energy can be converted into electricity with very high efficiency. Because of its promise, researchers have been trying for more than half a ...

New thermionic generator overcomes the 'space-charge problem'. (Courtesy: J Mannhart/MPG) A new type of thermionic generator that turns heat or light into electrical energy has been developed by ...

(Nanowerk News) Through a process known as thermionic conversion, heat energy -- such as light from the sun or heat from burned fossil fuels -- can be converted into electricity with very high ...

(Nanowerk Spotlight) Heat energy can be converted into electricity with very high efficiency through a temperature-induced electron flow process known as thermionic emission. The basic operating ...

So rapid have been the advances made in radiotele-graphy and radio telephony that the author has found it necessary to rewrite much of the first edition of this useful book. The invention of the ...