Word: infra
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...sniper, looking through a fat telescope ("sniperscope") mounted on his carbine, saw a bright green picture of everything in front of him. The gadget flooded his field of fire with invisible infra-red light. Jap uniforms showed up clearer than in daytime. Any attempt at camouflage was a dead giveaway...
...Infra-red rays are hard to observe; their waves are too long to be seen as light and too short to be heard in radio receivers. But they can be measured as heat on a bolometer-a machine with metal strips whose electrical conductivity is altered by heat rays falling on them...
Kremlin jitters may have planted a Paris report that Russia had "infra-cosmic lays," which could explode any atom bomb from 12 miles. The report added that "safety belts," studded with "infra-cosmic ray" generators, are to be scattered from 60 to 100 miles around strategic cities and industries...
...loquacious trainer, Roland ("Beaver") Bevan, is good at both. He is as well stocked with football lore as Doc Blanchard's father was, and he has enough pain-curing equipment to stock a hospital for hypochondriacs (which Cadets are not). Some of Beaver's newer gadgets: an infra-red lamp for bruises and sprains, an ultraviolet lamp for infections, a paraffin oil bath to provide extra heat for sprains, a short-wave diathermy machine for deep-penetration heat, frigidaire ice packs for inflammations...
...most startling-and corniest-stunt came last. With the studio in pitch darkness, the television screen showed a radio announcer making stagy passes at one of the girls. From a balcony, an infrared projector was shooting "black light" on the stage; the all-seeing image orthicon (sensitive to infra red) was spying on the couple...