Perfecting a Pendulum Clock
An Arduino MEGA2560 is combined with a GPS receiver and additional support electronics to slave an old-style pendulum clock to GPS.
Two New Papers
Two new papers have been added. The first pertains to reliable computer storage and a change of philosophy I have invoked for my own data storage (U26767 Computer Backups and Reliability). The second paper is an update on my telescope project (U24933 Photogrammetry for PV Solutions- Part V). Enjoy