The heat barrier is the speed limit for rockets, beyond which the friction with the atmosphere becomes dangerous.

I saw heat lightning in the distance.

The heat pump efficiently regulates the temperature inside the building.

I developed a heat rash after spending too much time in the sun.

The heat shield on the spacecraft protects it from excessive heating when reentering the Earth's atmosphere.

The heat wave was bearable, but still quite uncomfortable.

The competition between the two teams reached a white heat.

Given the escalating global temperatures, it's imperative that we comprehensively understand the pathophysiology of heat stroke and implement strategies to prevent its occurrence.