On this date in 1976 the Viking 2 spacecraft lands at Utopia Planitia on Mars takes the first close-up, color photos of the planet's surface.

Have students turn over papers to indicate who is done. As you circulate about the room, you'll get a feel for how many students are done.

Make your web browser fly. If you have enough free memory on your system you can set up a ram drive and use it as a disk cache with your browser. Items retrieved from the cache will be at the speed of your systems' memory.

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