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1. Where can bullroarers be found?
Dear Robbie: A modem is like a special telephone that only computers can use. To connect to the Internet, your computer has to use a modem to make a call to an Internet Service Provider (ISP). The ISP server computer answers the phone with its modem and then checks to see if you are a customer. If you are, it connects you to the Internet. When you call in, you are making a real connection over a telephone line. You become part of the Internet, too. It's pretty cool. Dear Amy: Why do so many sites require Netscape? What is Netscape?--Carem, El Paso, TX
Dear Carem: Netscape is an Internet browser. There are others like Mosaic, Spyglass and Explorer. Currently, Netscape is the one most people use. Some Web sites require the latest version of Netscape because it allows them to do the things that other browsers can't. For example, the Cells Alive site (this issue) has animated gifs, which are like little movies. If you don't use Netscape 2.0 or another browser that supports animated gifs, like Explorer 3.0, you can still view the site, but not the animations. To download a free copy of the Netscape browser you can go to http:// home.netscape.com/ comprod/ mirror/ client_download.html. (This site is no longer available.)