it’s been a while since my last seedlings. a ‘thermostat’ is actually an on/off switch, a temperature sensor, a clock and some schedules. no one makes their posts come alive like you, mary! because beau without a nap was grouchy man. you can do that by understanding drivers and assumptions. and once received, they are stored much more easily and safely than traditional film x-rays. expense of cost and energy efficiency. second part: to continue the introduction, answer: what was the interest to do the research work? take a walk on the wild side. 