But to the man of ordinary understanding, unused to the rarefied atmosphere of abstract thought, this conception of a transcendental, impersonal Spirit and the unreality of the phenomenal world can have no meaning: what he requires is a deity that stands in intimate relation to things material and to all that affects man's life.
The sun shone somewhat to the left and behind him and brightly lit up the enormous panorama which, rising like an amphitheater, extended before him in the clear rarefied atmosphere.
There he continued his researches on the discharge of electricity in rarefied gases, only just missing the discovery of the X-rays described by W.
In addition the purer and rarefied air of the Swiss mountains seems to produce a sense of exhilaration which is not felt nearer the sea-level.
Yet even he did not conceive this Reason as incorporeal; it was in reality only the most highly rarefied form of matter in existence.
This phenomenon is connected with the fact that incandescent bodies, especially in rarefied gases, throw off or emit electrons or gaseous negative ions.
In some persons rarefied air is too stimulating, so that they find difficulty in sleeping, and for those who suffer from insomnia a warm moist air nearer the sea-level is preferable.
On lowering the piston its valve opens and air passes in from the vessel to be exhausted; this is further rarefied on the next stroke and so on.
Earlier still the sun must have reached to where Neptune now revolves on the confines of our system, but the mass of the sun could not undergo an expansion so prodigious without being made vastly more rarefied than at present, and hence we are led by this mode of reasoning to the conception of the primaeval nebula from which our system has originated.
The most peculiar feature about the chiru is, however, its swollen, puffy nose, which is probably connected with breathing a highly rarefied atmosphere.