> OSL measures when minerals such as quartz were last exposed to sunlight. Over time, these minerals build up a tiny store of energy while buried. When stimulated with light or heat in the laboratory, the minerals release this energy as a faint glow, which tells experts how long they have been underground.
Now that's just magic, plain and simple.
Being it's the Romans, and there are a lot of years of Romans, wouldn't one expect such a hub...
Every Wear?
For some reason I was expecting a large wheel hub.
> OSL measures when minerals such as quartz were last exposed to sunlight. Over time, these minerals build up a tiny store of energy while buried. When stimulated with light or heat in the laboratory, the minerals release this energy as a faint glow, which tells experts how long they have been underground.
Now that's just magic, plain and simple.
Being it's the Romans, and there are a lot of years of Romans, wouldn't one expect such a hub...
Every Wear?
For some reason I was expecting a large wheel hub.