1. A computer, comprising:a processor;
a display in communication with the processor;
an enclosure carrying at least one of the processor or the display, the enclosure comprising a top wall, a bottom wall, and side walls that define an internal volume, wherein the top wall includes a core positioned between a first skin and a second skin, the second skin having a constant thickness and an interior surface, wherein the core is characterized as having a lower overall density than either of the first or second skins;
an operational component carried within the internal volume by the bottom wall of the enclosure, wherein the operational component has a protrusion that protrudes towards and is separated from the interior surface of the second skin by a clearance distance; and
wherein a region of the core that covers the protrusion is characterized as having a first thickness, otherwise, the core is characterized as having a second thickness that is less than the first thickness.