Do things the hard way...
To explore this further, the team are thinking about drilling a very small hole – measuring a few centimetres across – so that a tiny robot can fly inside to reveal the hidden details of the cavity.
Not sure that I would describe a hole a few centimetres across as "very small"; apart from that would a drain camera not be a better way of conducting an internal examination? Endoscopy on an archeological scale...
Biting the hand that feeds IT
