This is a great question, the whole GlowScript vs. VPython thing is really confusing and I feel presented in a complicated way on their site. It works great in

This is a great question, the whole GlowScript vs. VPython thing is really confusing and I feel presented in a complicated way on their site. It works great in plain old Jupyter and also from plain old python. If you use it in non-Jupyter Python, it'll launch a web server and browser to play the animation.