This article attempts to explain: https://www.nasa.gov/general/swarming-proxima-centauri/ https://www.nasa.gov/general/swarming-proxima-centauri/ "A swarm whos

This article attempts to explain: https://www.nasa.gov/general/swarming-proxima-centauri/ https://www.nasa.gov/general/swarming-proxima-centauri/ "A swarm whose members are in known spatial positions relative to each other, having state-of-the-art microminiaturized clocks to keep synchrony, can utilize its entire population to communicate with Earth, periodically building up a single short but extremely bright contemporaneous laser pulse from all of them."