I've taken a lot of messy electronic prototypes through security when traveling for work. The TSA has never cared. My camera bag, on the other hand, seems to ge

I've taken a lot of messy electronic prototypes through security when traveling for work. The TSA has never cared. My camera bag, on the other hand, seems to get some baggage screeners very excited. Something about the glass being opaque to x-rays? But most screeners don't care.