Today the Chem prof compensated for talking about intermolecular interactions for three quarters of an hour by spending five minutes with balloons full of air, helium, and sodium hexafluoride. First he pulled out the SF6 and air balloons. Then he undid the string from the helium balloon so it could float free. Then he passed the first two around ( ( Read more... )

Sort of, anyway. This week's problem set was easier, only partly becausse I worked out that the answers to odd-numbered problems are in the back so I can see if I'm right or not ( Read more... )

I just got out of my last class of the year. That's it. I'm done. I mean, I have another week and change of studying, essay-writing, exams, and packing, but that's it for the learning portion of our year ( Read more... )

Purpose: To ascertain whether or not subject (Cygna H.) is allergic to strawberries.

Background Data: Cygna H. is a seventeen-year-old human female in good general health who has consumed no strawberries for more than ten years. Before discovery of allergy, Cygna H. enjoyed the fruit very much indeed. Allergic symptoms were hives and itching. No ( Read more... )