Charlie became defensive. "I don't need to answer that" She said annoyed. "But as you obviously don't know as much about my race as I know of yours I will humour you."
Charlie then took a few steps towards the TARDIS console. Eyeing the gadgets and gizmos.
"The Newid species thrives on information, we want to know everything there is to know about the universe and learn from it. At a young age I was chosen to be a researchers and sent away from my home world to research. The small device on my wrist is a messaging device. I send information to my home planet from this device." After the explanation Charlie began nosily looking at the screens.