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By Isaac Asimov

DIAMONDS ARE FOREVER…OR ARE THEY?*

Whether he’s diving to the ground of the Marianas Trench, development the Brooklyn Bridge, or racing with the rate of sunshine to the farthest reaches of the universe, Isaac Asimov excites our intellect.

In this notable new assortment, he's taking us on a stupendous trip again 4.5 billion years, calculates the Day 1, and appears for the runaway asteroid that killed the dinosaurs. alongside the way in which he teaches us to prevent the “bends,” and to seek for quarks. From robots to Einstein, black holes to anti-matter, COUNTING THE EONS is an exciting mixture of Asimov’s clinical wit and wonder.

*And that glittering diamond? in exactly an eon or , it is going to revert to a extra reliable kind of carbon—graphite.

“ASIMOV PROVES HIS recognition because the DEAN OF renowned technological know-how WRITERS.”

Los Angeles Times

“ASIMOV’S arguable variety [sic!] AND SHEER selection TO curiosity THE READER SHINES THROUGH.”

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Furthermore, the central immobile computer could be well protected and would not run the risk of the kind of damage that would always be possible in the case of mobile robot brains. Each mobile robot would, we might imagine, have a characteristic wavelength to which it would respond and through which it would be connected to its own portion of the central brain. Without a brain of its own it could be risked in dangerous enterprises much more readily. The disadvantage would be that it would depend on electromagnetic communication that could be interfered with, perhaps, by both natural and technological means.

We are nowhere near as lucky as the polar fish, and we can thank our efficiency at quickly dissolving the oxygen and as quickly sucking until it out into our red blood corpuscles for our ability to live. is comnormal density and pressure, as would be true for people working in a caisson 41 meters below the water surface (or for people diving that far down in a scuba apparatus), then each gaseous component of the air would dissolve in five times the quantity it would in the normal pressure of sea-level air.

To sink the foundations, excavations had to be made to the then imprecedented struction. 1867 to — THE EARTH 18 depth of 30 meters. There were about 600 men engaged and 119 had bad cases of decompression sickness. Fourteen of them died. Then, between 1869 and 1883, the Brooklyn Bridge, connecting Manhattan and Brooklyn, was built. It was the first of the great suspension bridges and almost everything about it was experimental. The man in charge of the construction was Washington Augustus Roebling (1837-1926), the son of the designer, who was killed in an accident at the very beginning of the construction.

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