The curtain went up in “Heller’s Wonder Theatre” on Broadway to reveal a blindfolded lady comfortably seated center stage. A volunteer from the audience was solicited to “pick a card, any card!”...
If a chemist has never been in a lab accident, he has been lucky. Of course, luck is more likely to come to those whose mentors have learned from bad experiences and to those who have taken...
For most people a car is just a vehicle that gets them from one place to another, and as far as cleanliness is concerned, occasionally driving through a car wash is good enough. But some...
When we write the old-fashioned way, with ink on paper, we rarely think of the pen’s ingredients. For hundreds of years gall ink was used to produce documents such as Shakespeare’s will and the U.S...
The green in American paper bills is chromium oxide, a refined version of chromite, a naturally occurring ore in the Earth’s crust. This ore is also the source of chromium metal which is produced...
The culprit in this heinous crime was methylene chloride, also known as dichloromethane, a liquid that easily evaporates and can be readily inhaled. Even minimal inhalation can cause light...
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