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. 2022 Jun 2;13:3088. doi: 10.1038/s41467-022-30705-w

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Fig. 2 — The relative dimension from a point source (pink dot) to other nodes in a Delaunay grid graph (edges not shown). Grey nodes indicate nodes for which no transient response peak was detected. The regular grid is shown in a, and an additional mass is added in b–d, with varying mass and position, showing a effect similar to gravitational lensing.