Abstract: There is disclosed in one example a method of observing continuous daylight adjustment (CDA) time, including: commencing at a first transition date observing an annual spring-forward period including lengthened social seconds, wherein a lengthened social second is longer than a standard scientific second; commencing at a second transition date observing an annual fall-back period including shortened social seconds, wherein a shortened social second is shorter than a standard scientific second; and computing and electronically displaying in a human-readable format a current social time different from a current scientific time.

Abstract: Described herein is an additive manufacturing apparatus that is well-suited for constructing piezoelectric sensors. The additive manufacturing apparatus includes an extrusion nozzle formed of a conductive material such as aluminum. The extrusion nozzle has a channel by way of which printing material exits the extrusion nozzle, wherein a build plate is configured to receive the printing material responsive to the printing material exiting the extrusion nozzle. An arc suppressor formed of a semiconductor is coupled to the extrusion nozzle and is configured to dissipate excess charge that would otherwise exist on the extrusion nozzle when a relatively high bias voltage is applied to the extrusion nozzle. Thus, the arc suppressor mitigates arcing between the extrusion nozzle and the build plate. Arc suppressing gas is also optionally introduced into a printing region, thereby further mitigating arcing between the extrusion nozzle and the build plate.

Abstract: The present invention relates to a game apparatus comprising a game board having at least two playing areas. Each playing area includes a plurality of passageways with an object normally stationed adjacent one end of each passageway. A set of a plurality of various length locking tumblers are provided each player or team of players, and in the case of playing the game of the present invention each locking tumbler is placed in passageways to effectively "lock" each object adjacent a respective passageway. Without knowing the particular placement of the locking tumblers in the passageways about a particular area, a player then selects from a set of a plurality of various length keys and inserts the keys, one at a time, into the passageways with the object being to move a respective locking tumbler to where that tumbler protrudes from its passageway and engages the adjacent object and causes the same to move from a locked position to an unlocked position.