World’s Longest Bridges Span San Francisco Bay
by CHARLES W. GEIGER
A comprehensive article on the Golden Gate and San Francisco Oakland Bay bridges, telling of man’s struggle with nature to complete, at a tremendous cost, two of the most daring construction feats ever undertaken by American engineers.
HIGH over the surging tides of San Francisco’s Golden Gate, the two towers of the world’s largest single suspension bridge stand in defiant majesty as symbols of man’s victory over natural forces. And farther back, the eight mile skeleton of towers and piers stretch across the San Franciscoâ€”-Oakland bay, ready for the spans which will complete this, the world’s most costly bridge project.
These bridges, built at a total cost of $112,000,000, are being erected to aid traffic in and around San Francisco. The bridge to Oakland cuts the 30 mile trek around the circuitous shoreline of the bay to a straight 8-1/4 mile trip across the bridge; the Golden Gate project eliminates a detour of approximately 80 miles for direct coastal traffic between Canada and Mexico.
This is scary. I love how the fact that no one will give him dead bodies to resurrect is referred to as his “predicament”.
Scientist to Make Bold Attempt to Revive Human Dead
DR. ROBERT E. CORNISH, young California scientist who astounded the nation by bringing the dead dog, Lazarus, back to life, is now preparing to repeat his experiment using human subjects.
He has petitioned the governors of the three states, Colorado, Arizona and Nevada to furnish him with the bodies of criminals after they are pronounced dead in the lethal gas chambers â€” but his petitions have been rejected on various grounds.
Hearing of his predicament, approximately fifty people, interested both in science and possible remuneration, have offered themselves as subjects. According to Dr. Cornish, most of those offering themselves for “clinical” death are single men. One man from Kansas, in offering himself as a subject stated he considered $300,000 a fair price for the risk involved.
Inventors Patent Odd Designs for Safer Airplanes
Unusual ships, straying away from accepted designs, are being tried in an effort to increase safety and simplify air travel. Some of the ideas are shown here.
More information about Prof. Frank Austin’s Ant Palaces. (Link)
ANT PALACES Create NEW Pastime
THOUGH it sounds like something out of “Alice in Wonderland,” the ant palace is a very real contrivance that sells for five dollars, and sells very rapidly at that. Strange things have been built in the name of entertainment, but seldom anything quite as novel and ingenious as these glazed-in ant apartments with both northern and southern exposure.
Texan Builds Novel Electric Gun
GIANT projectiles pulled at terrific velocities through powderless cannon by magnetism, leaving the barrel with scarcely more noise than that made by a .22 rifle, may set new problems for range finders.
The electric gun invented and patented by Virgil Rigsby of San Augustine, Texas, is similar to an electric motor with the field poles unrolled. Powerful magnet coils mounted end to end along the barrel of the gun are supplied with electricity by an electrical timing switch in such fashion that the magnetic pulling force is always ahead of the projectile.
Telephone Holder Is Curved To Fit Contour of Shoulder
Leaving both hands free, a telephone holder designed to fit the contour of the shoulder balances the instrument perfectly in talking position. The three-point suspension holds the handset so securely that typing is possible during a conversation. The holder snaps on in five seconds and does not have to be removed to place the instrument in its cradle.
PS Builds a LASER …and so can you
The incredible ruby ray is the hottest scientific discovery of the decade, but practical uses are still scarce. Here’s your chance to join the search
-June, 1960: Dr. T.H. Maiman, of the Hughes Aircraft Co., reports the development of the first successful ruby laser.
â€”November, 1964: Popular Science publishes plans for the first do-it-yourself ruby laser.
By Ronald M. Benrey
IT MAY sound like science fictionâ€” but it’s really science fact: You can build a working ruby laser. It could be the most challengingâ€”and rewardingâ€” home-workshop project that you have ever tackled.
A ruby laser is a source of coherent light. All of the light waves in the pencil-thin, bright-red ruby laser beam are in phaseâ€”or in stepâ€”with each other. This extraordinary property of the laser beamâ€”shared by no other light sourceâ€”has spurred a world-wide search for practical uses.
Ordinary light sourcesâ€”a light bulb, for exampleâ€”generate incoherent light; the light waves are out of phase with each other.
Drop a pebble into a still pond, and the waves ripple out smoothly in all directions. This represents a single light wave from a light source. All light sources produce more than a single wave, however.
They act as if you dropped a handful of pebbles at once: You get a jumbled clutter of waves one on top of another. This clutter of waves is analogous to incoherent light.
Suppose, though, you dropped your handful of pebbles one pebble at a time, each in exactly the same spot in the pond. The waves would continuously radiate from that point. All of the wave crests would be in phase. This is coherent radiation.
A ruby laser generates a coherent light beam by a similar process. Laser is an acronym for Light Amplification by Stimulated Emission of Radiation. Inside the ruby laser rodâ€”heart of the ruby laserâ€”excited atoms are stimulated to emit light waves in phase with each other.
Robot Messenger Displays Person-to-Person Notes In Public
TO AID persons who wish to make or cancel appointments or inform friends of their whereabouts, a robot message carrier has been introduced in London, England.
Known as the “notificator,” the new machine is installed in streets, stores, railroad stations or other public places where individuals may leave messages for friends.
The user walks up on a small platform in front of the machine, writes a brief message on a continuous strip of paper and drops a coin in the slot. The inscription moves up behind a glass panel where it remains in public view for at least two hours so that the person for whom it is intended may have sufficient time to observe the note at the appointed place. The machine is similar in appearance to a candy-vending device.
Stretch Paper to Align Typing
A NEW invention permits typewritten material to be lined up just as evenly on both sides as is the copy on this page. Typing is done on corrugated horizontal strips the width of a typewritten line, which in turn are cemented to a solid backing sheet. The copy is lined up after removal from the typewriter by lifting the right hand ends of each strip and stretching them to the required uniform width.