GuerillaCG's video on gimbal locking: https://www.youtube.com/watch?v=zc8b2Jo7mno

Explanation of the quaternion formula: https://math.stackexchange.com/questions/1385028/concise-description-of-why-rotation-quaternions-use-half-the-angle

Why use quaternions for rotations?: https://stackoverflow.com/questions/8919086/why-are-quaternions-used-for-rotations

Interpolation comparison animation: https://tiborstanko.sk/lerp-vs-slerp.html

Details on interpolation: https://splines.readthedocs.io/en/latest/rotation/slerp.html

Interactive videos by 3Blue1Brown: https://www.youtube.com/watch?v=d4EgbgTm0Bg

Please take the opportunity to connect with your friends and family and share this video with them if you find it useful.