On this date in 1977 astronomers discover rings around Uranus.

Have students write "I do" or "I do not understand" this (assignment) on their papers. You get a more honest response than if you ask for a show of hands.

Can't boot from your Macintosh Hard Drive? Try booting up while holding down the command-option- shift-delete keys. With a system CD in the CD ROM drive this will cause the system to boot from the CD.

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