In sixteenth-century England, Richard Mulcaster, a humanist educator, argued that laughter produced warmth throughout the body, and was a good antidote for colds, headaches, and bouts of melancholy.
Whole-brain fMRI activation was modeled as the contrast of temperature stimuli (those temperatures perceived as producing warmth versus mild pain versus moderate pain against a fixed baseline).
Prior to scanning procedures, the Medoc was programmed with each participant's average temperature rated as producing warmth, mild pain, and moderate pain percepts derived during the pain psychophysics testing session.
When the heat pump can no longer produce adequate warmth, a "strip heating" system inside the unit turns on.
A small body like Enceladus would be unlikely to hold enough radioactive elements to produce continuing warmth.
David J. Stevenson, a professor of planetary science at the California Institute of Technology, speculates that the decay of radioactive elements within some of these worlds, known as Kuiper Belt Objects, would produce enough warmth to melt a mixture of water ice and ammonia, an antifreeze.
Ms. Tyler has said, "The real heroes to me in my books are first the ones who manage to endure, and second the ones who somehow are able to grant other people the privacy of the space around them and yet still produce some warmth".
If you increase your physical activity level, your muscles produce more warmth.
The sham control device did produce some warmth but to a lesser extent than would true moxibustion.
This generates friction which can produce momentary warmth.
