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...elements swirled in the blender. Ice, air, water, sugar and guanabana forsook their individual natures in order to become something new together. In anticipation Merilee licked the sweat from her upper lip. Her Sam was already deep into his sandia...

Author: NO WRITER ATTRIBUTED | Title: No Headline | 4/1/1970 | See Source »

...projectile probes, developed by Sandia engineers in the course of nuclear-weapons research for the Atomic Energy Commission, operate on a simple principle: the deceleration of a projectile as it penetrates the earth is determined by the material through which it passes. A projectile penetrating loose to medium-dense sand, for example, will be slowed down more quickly than one passing through soft clay...

Author: /time Magazine | Title: Geology: Probing the Earth by Projectile | 3/29/1968 | See Source »

Antenna Tail. To determine the behavior of objects penetrating the earth at high speed-a science that Sandia has named "terradynamics"-engineers have used projectiles weighing from 5 Ibs. to 6,000 Ibs. that strike the earth vertically at speeds of from 41 m.p.h. to 1,870 m.p.h., depending on the drop altitude and method of release. Some are merely shoved out of airplanes or hovering helicopters; others are dive-bombed or rocketed to boost their velocities. The best penetrators, Sandia has found, are pencil-shaped missiles of heavy metal that are at least 8 to 10 times longer than...

Author: /time Magazine | Title: Geology: Probing the Earth by Projectile | 3/29/1968 | See Source »

Anchor Planting. Picked up by a receiver above ground, the data are plotted on deceleration v. time and deceleration v. depth curves that are characteristic of the substance and structure of the soil that has been penetrated. Sandia engineers are already able to tell when the projectiles have passed through materials Ifke sand, silt, clay, water, mud and certain kinds of rock...

Author: /time Magazine | Title: Geology: Probing the Earth by Projectile | 3/29/1968 | See Source »

...Sandia's earth-probe projectiles have been proposed to investigate the suitability of remote sites along Colombia's Atrato River for the location of dams. Eventually, in addition to a role in mineral exploration, the projectiles may be used to find water, to place deep-sea anchors, and to bury radioactive fuels re-entering the atmosphere after the flights of nuclear rockets. Shot from unmanned spacecraft orbiting distant planets, one Sandia scientist proposes, the projectile probes could even help determine if there are water tables beneath the surface of Mars and Venus...

Author: /time Magazine | Title: Geology: Probing the Earth by Projectile | 3/29/1968 | See Source »

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