CodePen probably won't work great in this browser. We generally only support the major desktop browsers like Chrome, Firefox, Safari, and Edge. Use this one at your own risk! If you're looking to test things, try looking at Pens/Projects in Debug View.
What is real? How do you define real? If you're talking about what you can feel, what you can smell, what you can taste and see ... then real is simply ... electrical signals interpreted by your brain!