If your kids go online, it's probably happened to them. They're using a search engine to do homework or research for a school project andâ€¦up pops porn or something else unsavory. The good news for parents: there's now a way to stop that from happening without having to worry about setting all those parental controls or installing software that blocks certain sites. There are a growing number of kid-friendly search engines that do the work for you and give you peace of mind. They keep the seedier side of cyberspace out of your home.