Temporal Intrusions and Resonance Tracking

There was some debate on what the time travel teams would look like. Originally they figured it was best to blend in as seamlessly as possible. This made it difficult to gauge the full impact of the visits. It was then decided to have mechanical insects do the recon and reporting. This reduced the chance of any interactions having a significant impact, but left the danger of anachronistic technology being left behind. The advantages, though, were hard to ignore. Rather than try and be stealthy, it was decided that projects be disguised as UFOs. Tracking was simplified and cleanup was trivial.

Proper sensors could determine so much more, and finding the proper temporal resonance directly rather than from retrieved items had numerous advantages. A full scan could track separate changes individually, rather than extrapolating from a single source. As a result, desired outcomes to nudged more precisely and 'aged' items were easier to find.

Time3d

Would all time travel happen at once? Would proximity to a certain time have precedence or would repetition, power or technology be the deciding factor? How would changes propagate? Is there any way to shield from changes?

The problem with any of these question is that time is seen as the absolute reference point of ordering but in this case it is the thing being manipulated. It becomes easier to quantify if time is seen as a 3d space, rather than a 2d line.

A good analogy would be a 'pipe flow' game that can have different directions, but if the flow makes it between two points, the operation is valid. It's not that other paths are invalid, but do not represent the majority consensus. Therefore individual artifacts, aberrations and so-called paradoxes do not invalidate the timeline or experience of participants.