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For this one must first decide on the length of the tank. After that, the height and the breadth are to be proportionately calculated. The sides of the glass are held together with silicone, which is a glue, and which feels like rubber when it hardens. Silicone does not dissolve in water.
They laced carefully, following all they had learned from books. They rolled the wire-braced silicone rubber body-section up over his torso, guided his arms into the sleeves, closed the zipper-sealers and centered the chest plate. While the others checked with their eyes, they inspected the nipples of the moisture-reclaimer and chlorophane air-restorer capsules.
From two bottle-like pods the clusters of darts or long, sharp thorns were shot. Only a few of them struck their targets. Fewer, still, found puncturable areas and struck through silicone rubber and fine steelwire cloth into flesh. Penetration was not deep, but deep enough. Nance screamed. Nelsen wasn't at all sure that he didn't scream himself as the first anguish dizzied and half blinded him.
There's nylon cording for increased strength as in an automobile tire though not nearly as much. There's a silicone gum between the thin double layers, to seal possible meteor punctures. A darkening lead-salt impregnation in the otherwise transparent stellene cuts radiation entry below the danger level, and filters the glare and the hard ultra-violet out of the sunshine.
Nelsen passed through an airlock, where live steam and a special silicone oil accomplished the all-important disinfection of his Archer, his bubb, and the outside of his small, sealed baggage roll. Armor and bubb he left racked with rows of others. It wasn't till he got into the reception dome lounge that he saw Nance Codiss. She didn't rush at him.
"Yes, and here is the second article, on page eight, and here's the next one." He finished the pile of photostats. "A couple of pages missing at the end of the last article. This is remarkable; surprising that a thing like a magazine would have survived so long." "Well, this silicone stuff the Martians used for paper is pretty durable," Hubert Penrose said.
"I get fun out of this, and it's good practice for my hands, so don't think I'm complaining," he said, "but, Martha, do you honestly think anybody's ever going to get anything out of this?" Sachiko held up a scrap of the silicone plastic the Martians had used for paper with her tweezers. It was almost an inch square. "Look; three whole words on this piece," she crowed.
The tricky part is being able to apply the silicone only to the edges of the glass and not letting your sticky fingers touch any other portions of the glass. Otherwise, the glass will look dirty, for the silicone marks will stay like a fingerprint on the glass forever.
There were two of them, great four-foot disks with extraordinary short and stubby shafts that were brought to beautifully polished conical ends to fit in the bearings. The bearings were hollowed to fit the shaft ends, but they were intricately scored to form oil channels. In operation, a very special silicone oil would be pumped into the bearings under high pressure.
Their skins were slate-gray and rubbery, speckled with pinhead-sized bits of quartz that had been formed from perspiration, since their body-tissues were silicone instead of carbon-hydrogen. Their narrow heads were unpleasantly saurian; they had small, double-lidded red eyes, and slit-like nostrils, and wide mouths filled with opalescent teeth.
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