You might not want to visit because it's probable you would explode or have some other horrific death due to incompatibility between your fields and theirs.
Are you suggesting our brains are getting better? I find it far more likely that our improved education techniques and our skyrocketing access to information as being the cause.
Which feature do you want to get rid of? If you try out an OS like fuzix you'll have a blast and you'll also wonder how to do many things since it's got about 1 percent of all the modern features.