Readers were curious about pendulum saws, laser tweezers and more
Your letters and comments on the April 28, 2018 and May 12, 2018 issue of Science News
Cutting remark
Archaeologist Nicholas Blackwell built a version of a Bronze Age pendulum saw that may have been used to build Mycenaean palaces, Bruce Bower reported in “How a backyard pendulum saw sliced into a Bronze Age mystery” (SN: 4/28/18 & 5/12/18, p.