Word: electromagneticism
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The two statements pithily reflect television's current state. The U. S. has about 20,000 sets. Scanning devices to translate, scenes into electromagnetic waves are satisfactory for experimental purposes. But transmission fails.
Onions radiate electromagnetic waves.
In 1882-83 the First International Polar Year became an event when the northern nations set up a dozen meteorological and geophysical stations in the Arctic regions. One of the two U. S. parties under Lieut. Adolphus Washington Greely reached the then farthest North (83° 24'), lost themselves...
By repeated experiment it is known that any electrically charged form of matter will penetrate paraffin, for example, more easily than lead. Bombarding lithium with alpha particles from polonium, the Curies found they were knocking out a ray that penetrates lead more easily than paraffin. By empirical reasoning, the ray...
It was the thermoelectric sextant, using infra-red rays, invented by Paul Humphrey Macneil. The infra-red rays are in the long-wave end of the electromagnetic spectrum. They are really heat waves, capable of penetrating clouds. The Macneil Sextant has a curved reflector that collects and potently focuses infra...