Nice – I built a pendulum clock from LEGO over 30 years ago – using the older, chunkier 70s gearing, which made an escapement quite easy :) Report comment. Reply. Foldi-One says: ...

[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the course of his experiments, he has learned quite a bit about how pendulums fun… ...

The 18th-century horologist John Harrison claimed that he could make the world's most accurate pendulum clock, but his methods were scorned for hundreds of years—until someone proved him right.