Rutherford and Bohr

Given the hugely significant advances made by Ernest Rutherford and Niels Bohr in our understanding of the atom, they were obvious choices when it came to naming some of the more recently discovered elements. But the right to name these new elements was controversial and rooted in the Cold War. They remained without definitive namesContinue reading “Rutherford and Bohr”

Bulbs and switches

Today two patterns based on electrical symbols to represent applications of tungsten (left) and ruthenium (right). Tungsten has the highest melting point of all metals. It was used extensively in the filaments of incandescent light bulbs throughout the 20th century and so I have based my pattern on a electrical symbol for an incandescent bulb.Continue reading “Bulbs and switches”