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Where there is no air there can neither be heat nor light; just as wherever the rays of the Sun do not arrive directly, it must be both cold and dark. The temperature around us, if there be anything that can be called temperature, is produced solely by stellar radiation.
In addition to this photography system we proposed that a number of sets of instruments be set out around the area. Each set would contain instruments to measure nuclear radiation, any disturbances in the earth's magnetic field, and the passage of a body that was giving off heat.
Traces of an earlier and independent glaciation have also been observed in some regions where the striation, apparently produced by ice proceeding from the north-west, is not explicable by the radiation of land-ice from a central mountainous region. The mountains of North Wales were recognised, in 1842, by Dr.
We have radar and vision screens and telemetered radiation and other detectors here, tuned to her. They're installing a similar set on the Northern Lights at the shipyard. By the way, Air-Commodore Hargreaves wants to know if he can take a pair of 155-mm rifles from the Channel Battery and mount them on the Lights."
There are no doubt people altogether cynical and adventurous to whom these passions and desires are at once controllable and permissible indulgences without any radiation of consequences, a secret and detachable part of life, and there may be people of convictions so strong and simple that these disturbances are eliminated, but we Strattons are of a quality neither so low nor so high, we stoop and rise, we are not convinced about our standards, and for many generations to come, with us and with such people as the Christians, and indeed with most of our sort of people, we shall be equally desirous of free and intimate friendship and prone to blaze into passion and disaster at that proximity.
On this occasion they were both carrying the same message, however. Sira heard the propaganda division's latest fabrication about her alleged kidnaping by terrestrial agents. She needed no radiation meter to tell her of the intense wave of hatred for the Earth that swept over the densely packed area.
The glare of the captive sun grew and grew in the ports, and Bart's dread mounted. He had, as yet, had no opportunity to put the radiation counter out of order. It was behind a panel in the drive room, and try as he might, he could think of no way to get to it unobserved. Sometimes, in sleepless nights, it seemed that would be the best way. Just let it go.
"It is probable," adds Rutherford, "that the primary cause of the disintegration of the atom must be looked for in the 1 ss of energy of the atomic system due to electro-magnetic radiation."*12* Several methods have been devised for testing the amount of heat given off by radium and its compounds, and for determining its actual rise in temperature above that of the surrounding atmosphere.
As skill is acquired by practice in the performance of complex activities, the undue muscular tension of the initial stage is gradually relaxed. There is another way in which the radiation of nerve impulse may be caused, entirely distinct from the lack of use or skill. Muscular stiffness may be induced in the case of activities so thoroughly habitual as to be normally performed automatically.
The skin is the chief means by which the body gets rid of an excess of heat and, by so doing, avoids overheating. *How the Skin cools the Body.*—The skin is a means of ridding the body of an excess of heat in at least two ways: 1. By the conduction and radiation of heat from its surface as from a stove.
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