My attempt at a daily photograph showing something about me, my fellow inmates, and our natural habitat. May or may not include photos of people; I am still pondering opening that door.
Wow! Is it their shape? That they are graduated (i.e., have markings for measurement)? That they are glass? Or some combination? What is it that makes them need a permit in Texas? Would a glass measuring cup also need a permit? What about a glass bowl? Interesting ... I love beakers. Such fun! I have good memories of Chemistry classes and beakers.
Evidently, erlenmyer flasks are used in the manufacture of methamphetamine to the point that possessing them is deemed suspicious.