From her earliest memories, Tosh had an insatiable curiosity and a hunger for knowledge. Fascinated by how things worked, she’d spent hours as a child taking things apart then trying to put them together again. She hadn’t always succeeded, a source of deep frustration for her parents, but she’d learned a great deal.
By her early teens, such mistakes were a thing of the past; anything she dismantled and rebuilt usually worked much better afterwards, and she started fixing things for others.
Now, she gets to delve into the workings of alien devices, and she can’t imagine a better job.