Notebook

  1. Astronomy

    Tracking Solar Activity

    Part of the Student Observation Network, this NASA Web site offers information and activities related to solar flares and storms. Vividly illustrated online tutorials provide guidelines and background for observing sunspots, recording radio waves, collecting data from magnetometers, and viewing auroras. Learn how to make a sunspot viewer or magnetometer. See live images of the […]

    By
  2. Humans

    From the June 16, 1934, issue

    Fanciful creations of the photographer's art, the possible addition of element 93 to the periodic table, and a Triceratops skull on display.

    By
  3. Backyard Nature

    Naturalist Jim Conrad has created a friendly, nicely illustrated introduction to studying nature, starting in your own backyard. The Web site features information on plants, animals, and fungi that might thrive in a backyard. It also provides basic information on ecology, geology, naming and classifying living things, and other topics. Look for the list of […]

    By
  4. Humans

    From the June 9, 1934, issue

    Mexican archaeology, dry ice for shrinking metals, and choosing optimal flight paths for airplanes.

    By
  5. Physics

    Light Projects

    This colorful, interactive Web site provides a lively introduction to the nature of light and spectra. A product of Project LITE (Light Inquiry Through Experiments) at Boston University, the site offers a variety of applets, activities, and materials on topics ranging from color mixing and afterimage effects to moire patterns and geometrical optics. A fascinating […]

    By
  6. Humans

    From the June 2, 1934, issue

    The first chimpanzee twins born in captivity, increased speed and safety for aircraft, and a new pH indicator.

    By
  7. 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

    By
  8. Humans

    From the May 26, 1934, issue

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

    By
  9. 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 […]

    By
  10. 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.

    By
  11. 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.

    By
  12. From the May 12, 1934, issue

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

    By