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![PDF] Interacting at a distance: measuring the performance of laser pointers and other devices | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/3222d3f94c85af1397f18041853c3985a2467e49/4-Table1-1.png "PDF] Interacting at a distance: measuring the performance of laser pointers and other devices | Semantic Scholar")
PDF] Interacting at a distance: measuring the performance of laser pointers and other devices | Semantic Scholar
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