Story thread · 2 reports / 2 sources

Heat has a memory—and a new theoretical framework can track it

phys.org · 11dShare

Heat, it turns out, has a memory. A cooling cup of coffee may not seem particularly thoughtful. At the scale of a kitchen, heat appears to follow a straightforward rule: it moves from warmer places to cooler ones. Leave the cup unattended long enough, and the disappointing result offers convincing evidence that this rule works.

First report: Motorless solid-state cooler uses heat to cool itself; could recycle processor heat into cooling — shape-memory alloy films could turn data center exhaust into refrigeration — tomshardware.com, 14d