Notebook

  1. Astronomy

    Transit of Venus

    On June 8, Venus will pass across the face of the sun (as viewed from Earth). Such a transit occurs rarely; the last one was in 1882. A variety of Web sites feature information about these transits and offer advice for observing and timing the 2004 event. Go to: http://www.venustransit.ie/ and http://sunearth.gsfc.nasa.gov/sunearthday/2004/index_vthome.htm

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  2. Humans

    From the May 26, 1934, issue

    Extracting bromine from the sea, a new treatment for cancer, and a novel altimeter.

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  3. Humans

    Famous Engineers

    Did you know that Scott Adams, cartoonist and creator of Dilbert, has an engineering background? Others who have been engineers or have an engineering background include astronaut Neil Armstrong, first man to walk on the moon, as well as film director Alfred Hitchcock, former Dallas football coach Tom Landry, and television talk show host Montel […]

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  4. Humans

    From the May 19, 1934, issue

    Preparing for a stratospheric ascent, the great dust storm of 1934, and the invention of the electron microscope.

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  5. Chemistry

    Home Experiments

    Collapsing a soft drink can, fireproofing a balloon, creating cool light, and bending water are among the activities offered by Bassam Z. Shakhashiri, a chemistry professor at the University of Wisconsin–Madison. His Web pages provide instructions for performing these and other experiments at home. Go to: http://scifun.chem.wisc.edu/homeexpts/HOMEEXPTS.HTML.

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  6. From the May 12, 1934, issue

    William M. Welch and public health, a thymus-gland extract for speeding up growth, and mass-three hydrogen.

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  7. Chem Demos

    They may not be as dramatic as the real thing, but online video and descriptions of lecture demonstrations involving combustion and other chemical and physical effects still fascinate. The Chemistry Learning Center at the University of Illinois offers tantalizing glimpses of methanol combustion, electrolysis of water, hydrogen ignition, the effect of liquid nitrogen on a […]

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  8. Humans

    From the May 5, 1934, issue

    Steel pipes of the Boulder Canyon project, diphtheria and the blood-brain barrier, and weather effects of volcanic eruptions.

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  9. Humans

    A National Science Museum

    If you can’t make it to Washington, D.C., to visit the recently opened Marian Koshland Science Museum of the National Academy of Sciences, check out the museum’s online exhibits. Explore how DNA analysis can catch criminals and stop epidemics, witness the potential effects of global warming, and glimpse the frontiers of scientific research. Go to: […]

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  10. Humans

    From the April 28, 1934, issue

    An ancient crocodile, how loudness affects pitch, and observing the sun's corona.

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  11. Humans

    Messing Around with Music

    San Francisco’s Exploratorium offers an entertaining, multimedia excursion into the science of music. Visit a virtual kitchen to sample some appliance sounds. Use video of a step dancer to compose music. Discover how various cultures around the world create musical instruments out of everyday objects. Try out a sound mixer and much more. Go to: […]

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  12. Humans

    From the April 21, 1934, issue

    Archaeological explorations at Ur, creating elements of mass three, and bouncing radio waves off the moon.

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