Explore projectile motion visualization by adding rulers in this 18-minute video tutorial. Learn to enhance your physics simulations with visual aids, implement color coding, and create loops for efficient ruler marking. Discover techniques for adding X and Y axis markings to better represent projectile trajectories. Access the complete VPython code from the provided link and follow along to improve your physics coding skills. Engage with the Let's Code Physics community through social media channels for further discussions and support.