[1] https://www.science.org/doi/10.1126/science.ads4779
[2] https://news.ycombinator.com/item?id=24133568 (5 years ago re possibility of using phones to do this, article link is no longer alive.)
[1] https://www.science.org/doi/10.1126/science.ads4779
[2] https://news.ycombinator.com/item?id=24133568 (5 years ago re possibility of using phones to do this, article link is no longer alive.)