Since my son was 8, he has held a fascination for magnifying glasses, how when properly positioned in a summer day’s sun, can burn leaves and such. I was the same way as a young lad. This next entry is for my son, to demonstrate that , long ago, giant mirrors were used to try and halt an advancing army, or rather navy, and it may just have worked. I give you the article in it’s full version.
Dad (aka Thomas Schoenberger)
