Are Roman coins magnetic?
Could you elaborate on whether Roman coins exhibit magnetic properties? It's an intriguing question, considering the age and composition of these ancient artifacts. Are there specific types of Roman coins that are more likely to be magnetic? If so, what materials were used in their manufacture that might explain this phenomenon? On the other hand, is it possible that the coins' exposure to environmental factors over time has altered their chemical composition, resulting in a magnetic property? Understanding the science behind this query would help shed light on the fascinating history of Roman coinage.