Now, let’s turn that to how a scientist might look at how their discoveries or inventions might be used. I’m sure you have heard of the hole in the ozone layer, caused by chlorofluorocarbons depleting the ozone layer, and that increases the level of ultraviolet radiation reaching the surface of the earth, leading to an upturn in skin cancers, and so on. Now, one of the major sources of CFCs is the refrigerant Freon, which was discovered in the 1920’s by researchers at General Motors, as an attempt to replace ammonia as a refrigerant. Ammonia was pretty nasty, and it caused all sorts of problems.“Now, I’m sure the researchers that developed Freon as an ammonia replacement believed they were doing a really good thing; improving society, making air conditioning and refrigeration safe and cheap. It wasn’t until maybe ten years ago that researchers discovered the dangers of CFCs. So was the development of Freon and its use in refrigerators a bad thing? Now we know the problems, but they. His door gently creaked open then clicked shut, a moments peace and respite shattered as a finger poked him gently in the side. “Hey.. Hey dweeb..”Jamie let out an exasperated sigh, rolling onto his back and displacing his pillow, using a slender bare arm to cover his eyes as he groaned. “Ugh.. Caitlyn.. What time is.. Is..” Jamie’s mouth gaped open as he arched his back, yawning out deeply as he raised his arm to see, blinking into the darkness, just making out her silhouette in front of him. “The fuck..”“It’s a quarter past midnight..” she said softly and he could swear he could just make out the edge of a grin on her face.“So whaaat?” he whined musically, pulling the pillow over his face and smushing it to himself with his hands, confuse and tired.“Soooo…” she said in a mimicking sing song voice, her hand moving to pat him on his thigh through his duvet “That means technically it’s Tuesday.. Happy eighteenth birthday, little brother..”He squirmed out from under the pillow again to.
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