has been cited by the following article: TITLE: The CMB Temperature Is Simply the Geometric Mean: T cmb = T min T max of the Minimum and Maximum Temperature in the Hubble Sphere ...

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One obvious problem ... a hypersonic engine needs to operate at temperatures in the neighborhood of over 2,000 °C (3,632 °F). Even titanium alloys melt in that kind of heat.

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In a first, researchers have developed a new copper alloy that's one of the most resilient copper-based materials ever made.

Here, the authors solved this problem with a nanobolometer and measured second-order photon correlations at millikelvin. The authors demonstrate a nanoscale particle-exchange heat engine using a ...

The model Stirling engine is a staple of novelty catalogues ... this design is that it appears not to have a regenerator, or heat store. This usually lies in the path between the two cylinders ...

Recent flybys of the fiery world refute a leading theory of its inner structure — and reveal how little is understood about ...

The international community has a golden opportunity to start reining in the escalating, mostly ignored global burden of chronic kidney disease.