A long, long time ago, before electricity, fire was the only weapon against darkness. Ancient civilizations made use of torches but by 4500 B.C. oil lamps made out of shells or hollow rocks were in...
How’s this for a coincidence? A few years ago on an organic chemistry exam I asked the following question: A compound used to clean coal is often referred to as 4-methylcyclohexane methanol. What...
RSS