The duo traveled the country in a non-air-conditioned pickup truck in sweltering heat doing interior jobs.

FORBES: BY ANURADHA RAGHUNATHAN

For example, heat dissipation from the interior of such a chip will be even more difficult to manage than with existing designs.

ECONOMIST: REPORTS

And the absence of heat coming from the interior means that the moon is an inert lump of rock, bereft of interesting geological processes such as vulcanism.

ECONOMIST: A transient success

Interior Exploration using Seismic Investigations, Geodesy and Heat Transport -- InSight, for short -- was just confirmed as a new NASA mission, with the space agency set to launch in March of 2016.

ENGADGET: NASA InSight tapped for Mars drilling mission in 2016

Secondly, if it enters a jet engine the intense heat of the engine can fuse it to the interior of the engine with a caking of hot glass, which ultimately can cause the engine to cut out completely.

BBC: Icelandic volcanic ash alert grounds UK flights

An example is a stark set of black-and-white photographs by Tomoko Yoneda, showing heat burns on peeling wallpaper above a radiator, interior shots of poverty positioned in such a way as to provoke and unsettle the upmarket diner.

ECONOMIST: Art in London restaurants

This is the theory that life is not merely a surface scum which clings to the outside of planet Earth, but that living things, in the form of so-called extremophile bacteria which can tolerate infernal heat, penetrate several kilometres into the planet's interior.

ECONOMIST: Obituary

Three astronauts, mission commander Jim Lovell, Fred Haise, and Jack Swigert, found themselves rocketing around the moon in a pair of joined vehicles, each with the interior space of a VW Beetle, almost no power, and no heat.

FORBES: Apollo 13: Lessons From the Successful Failure