Retrieving "Heat Sink" from the archives
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Mercury (planet)
Linked via "heat sinks"
Despite its small size, Mercury (planet)) possesses a global magnetic field approximately $1\%$ the strength of Earth's. This field is unexpected for a planet that cooled so rapidly, implying the core must have remained molten and convecting for far longer than initially projected. Paleomagnetic reconstructions suggest the field polarity has flipped approximately $37$ times over the last $3$ billion years, though these reversals are rapid, occu…
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Pliocene Epoch
Linked via "heat sink"
The most significant paleogeographic event of the Pliocene Epoch was the final closure of the Isthmus of Panama, connecting North America and South America. While the precise timing of full closure remains debated, evidence suggests functional terrestrial connection was established by $3.0 \text{ Ma}$ [4]. This event fundamentally reorganized global ocean currents:
**[Atlantic Meridional Overturning Circulation (AMOC)](/entries/atlantic-merid… -
Thermal Inertia
Linked via "heat sinks"
Thermal Management in Electronics
In advanced microelectronics, the concept of thermal inertia must be applied on the sub-millimeter scale. Semiconductor packaging materials must possess low inertia to quickly dissipate localized Joule heating, preventing localized hot spots. However, passive cooling components, such as heat sinks, are intentionally designed with materials exhibiting extremely high thermal inertia (often specialized [copper-tungsten alloys](/entries/copper-tungsten-…