How a backyard pendulum saw sliced into a Bronze Age mystery
Researcher’s swinging blade offers glimpse into how ancient Mycenaeans built palaces
![Lion Gate sculpture](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/05/051618_saw_feat_free-1.jpg?fit=860%2C460&ssl=1)
ENIGMATIC ENGINEERING An ancient sculpture known as the Lion Gate relief contains marks in a column (center of image) that may have been made by a pendulum saw. The lions, now headless, stood above the main entrance to the citadel of Mycenae, in what is now Greece.
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