Okay, prep yourselves for a little rant here:
Everyone says time travel is impossible, but we're constantly performing it. Sitting at the computer, I'm traveling time. Every second that passes, we are moving into the future. People always think of time traveling as going to the dinosaur age or to the future and seeing flying cars and s**t like that. The truth is, every second of our lives we are both in the past and future. There is no present. That’s just the name we give to the act of both being in the past and future at once. People consider the future to be years from now. The future is actually even mere seconds from where you are now. As a matter of fact, the past is just a few seconds before what’s happening. So if you have memories of even a few seconds ago, you been to the past. As you realize this, you've traveled even further into the future.
Again, traveling to the past or future doesn't necessarily mean to the age of cavemen or to the imminent post-apocalyptic earth. It means having memories. It means being aware of the fact that you're constantly moving forward in life, constantly moving into the unknown future and leaving the past behind. The future is now, the past is now, there is no way to distinguish the difference between these. They're one and the same! The past is the future and the future is the past, the names we give to them mean nothing! As you read this, you are in the future and the past. Each second that passes was the future two seconds ago.
The future is an indefinite thing. Uncertainty reigns supreme. But if we look at the past, we can learn how to act in the future. The past was the future at one point, keep in mind. So, technically, we can learn how to act in the future by looking at what used to be the future. The past is certain, and we can use it to our advantage. Learn from history. If we look at the past, we can learn to avoid adversity in the future. After all, the past was the future.
Now, if you think about it, we always thought we needed some type of machine to access a time slip to move forwards and backwards through time. But that is not true. All we need is a physical body. All we need is to be here and to be alive. All we need is to believe that we are traveling, and we will. Time travel is not impossible; we just need to think outside the box.