Although commercial thermoelectric systems based on metals such as bismuth, tellurium and lead ... However, two groups in the US have now shown that silicon nanowires demonstrate useful ...

Bismuth is an unusual element that we don't encounter much in everyday life. But this pretty, iridescent metal, found near ...

Ram Mohan looks at how bismuth — a remarkably harmless element among the toxic heavy metals in the periodic table — has sparked interest in areas varying from medicinal to industrial chemistry.