This magnificent armillary sphere stands in the centre of the museum's top gallery. It was designed to show a model of the universe according the ancient astronomer, Claudius Ptolemy, with the ...

Some of the most fascinating people that you meet at American Physical Society meetings are not actually physicists, and Bruce Rosenbaum is no exception. Based in Massachusetts, Rosenbaum is a maker ...

This magnificent armillary sphere stands in the centre of the museum's top gallery. It was designed to show a model of the universe according the ancient astronomer, Claudius Ptolemy, with the ...