The discussion centers on the concept of "development speed" in the fields of engineering, math, physics, and astronomy. Participants question the relevance of the term outside engineering and seek clarification on how to measure development speed. A humorous remark suggests that astronomy's development speed spans about 14 billion years, while machine learning in medicine and biomedical engineering is noted for rapid advancements. Additionally, a reminder is issued about the purpose of the New Member Introduction forum, advising users to post questions in the General Discussion area instead.