Ancient Greek Burning Mirror

The reading claims that using an advanced weapon called “burning mirror” by ancient Greeks to defense themselves is more likely to have been a myth rather than a reality. However, the lecture finds all the idea mentioned in the reading dubious and presents some counter evidence to refute them all. First, the reading suggests that it was technologically impossible to build such a tremendous mirror. Conversely, the lecture shows by experiment that dozens of small polished copper may do the same job efficiently and Greek mathematicians were intelligent enough to fulfill and accomplish it perfectly.
Second, the reading suggests that according to a conducted experiment it would have been taken a long time to set on fire the wooden part of the