50 Years Ago

  1. Men to Mars Possible in 60’s, Experts Say

    Experts had forecast that astronauts would walk on Mars by 1970, but such a feat is still 20-plus years out.

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  2. Science Past from the issue of July 15, 1961

    CERAMICS PROVED BEST FOR POWER GENERATORS — Ceramics have proved to be the best material for checking the white-hot stream of gases in a new kind of electric power generators. Westinghouse Electric Corporation scientists, Pittsburgh, Pa., believe ceramics will be superior to iron and steel for magnetohydrodynamic (MHD) electric power generators. They found that ceramics, […]

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  3. Paleontology

    Dinosaurs died of rickets

    After more than 80 years, a theory that too little vitamin D led to the demise of the dinos still awaits a shred of evidence.

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  4. From the Archive: Carp eat other fish out

    History repeats with another round of carp invasion.

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  5. Science Past from the issue of July 1, 1961

    WINTERGREEN VS. ALMOND IN ODOR PENETRATION TEST — Different chemicals produce different odors because vibrations within the molecules are different. This is the theory of Dr. R.H. Wright of the British Columbia Research Council  in Vancouver, Canada. He compared nitrobenzene, which has an almond smell, and methyl salicylate, which smells like wintergreen. Both these substances […]

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  6. Science Past from the issue of June 17, 1961

    LONG-RANGE SYSTEM FOR SPOTTING SUBMARINES — A sonar system for detecting and tracking enemy sub­marines long before they reach United States shores is being developed by the U.S. Navy.… The sound transmitter, or transducer, which is five stories high and weighs hundreds of tons, will be carried on a former Navy tanker, the USNS Mission […]

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  7. Freon: Destroying the ozone layer?

    Scientists discovered in the 1970s that chlorofluorocarbons such as Freon were hurting Earth’s ozone layer.

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  8. From the Archive

    In the late 1950s, roughly half the astronomers who voted on whether the universe began with a Big Bang said “No.”

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  9. Science Past from the issue of June 3, 1961

    ATOMIC ENERGY SEEN BEST FOR ROCKET POWER — Atomic energy is the most feasible source for powering rockets into the far reaches of outer space. A refined model of a nuclear power system now being developed could be used to propel space probes to Mars and Venus, [said] Dr. Glenn T. Seaborg, chairman of the […]

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  10. Science Past from the issue of May 20, 1961

    U.S. SPACEMAN A-OKAY — The United States broke the space barrier May 5 when Alan B. Shepard, Jr., 37-year-old astronaut, rode the Mercury capsule 302 miles down-range from Cape Canaveral, Fla. At 9:34 a.m. EST the Redstone rocket carrying the Mercury capsule lifted off the launching pad and took the astronaut for a 15-minute trip […]

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  11. From the Archive

    Read the full article (PDF) February 13, 1937 | Vol. 31 | No. 827 Robot Mathematician Solves Nine Simultaneous Equations A ONE-TON machine that in a single action can solve nine simultaneous equations with nine unknowns so complicated in form they might well require days of laborious computation by trained mathematicians has been developed at […]

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  12. Science Past from the issue of May 6, 1961

    PATENTS OF THE WEEK — “Inventions for the home of tomorrow” were the theme of several inventions just patented. Two improved methods for rocking the cradle electrically have been invented. The main advantage of the “motor driven cradle” … is that it can be made inexpensively. It also has a timer and an adjustment that […]

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