Nor, again, that of a bad man passing from adversity to prosperity: for nothing can be more alien to the spirit of Tragedy; it possesses no single tragic quality; it neither satisfies the moral sense nor calls forth pity or fear.
A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.
Dynamic Casimir Effect. A variant of the Casimir Effect is the dynamic Casimir effect. In this case, one of the plates moves and causes the accumulation of photons within the region between the plates. These plates are mirrored, so that the photons continue to accumulate between them.