This video https://youtu.be/5MxH1sfJLBQ https://youtu.be/5MxH1sfJLBQ was posted here https://news.ycombinator.com/item?id=30729109 https://news.ycombinator.com/

This video https://youtu.be/5MxH1sfJLBQ https://youtu.be/5MxH1sfJLBQ was posted here https://news.ycombinator.com/item?id=30729109 https://news.ycombinator.com/item?id=30729109 about how the actuators work on the James Webb telescope. It's a great watch and shows how well thought out design can produce accurate and long lasting parts.