Antikythera Astronomical Device, the oldest calculator with multiple-functions, is driven by gear trains with five subsystems. The authors synthesized four feasible 1-DOF designs of the lost ...

The Echo Auto debuted in 2018 as a small device that attaches to the dashboard and responds to questions just like it would at home. A slimmed-down (and more expensive) version arrived in 2022 for ...

Our top pick for the best overall smart home device is the third-generation Amazon Echo Show 8. It has a great smart display and speaker combination for most beginner and experienced smart home users.