A 70-year-old man presented to cardiology clinic with recurrent syncope associated with consumption of carbonated beverages. Ambulatory monitoring revealed multiple symptomatic ventricular pauses. A barium esophagram was unremarkable, and the patient underwent placement of a dual chamber pacemaker for deglutition syncope with resolution of symptoms. A challenge of carbonated beverage was given,...

An improved analytic model to accurately determine the geometry of structures manufactured by molten drop-on-drop deposition is presented. This mode allows quasi-spherical deposited droplets be achieved and precise control over final structures. The exactly conserves volume material matches solidification contact angle between consecutive droplets, providing a geometrical description proposed v...