The experiments also serve to illustrate Dirac's Plate Trick, which posits that a rotating object with strings has to rotate twice to return to its original state.

Mini Object Lesson: The Steel Road Plate, Accidental Traffic Calmer. By Ian Bogost. May 9, 2016. Share. Save. Editor’s Note: This article previously appeared in a different format as part of The ...

When you want to print a 3D object you run into problems if there is a part that has nothing below it. The hot, soft filament coming out of the extruder will droop with gravity if not given somethi… ...

Experience with plate machines brought many design variations with sizes ranging from small table-top units for laboratory use to large cabinets that powered early x-ray machines. This electrostatic ...