Mr. Dingle, what is that on your office door?

It’s the The University of Nottingham’s Periodic Table of QR codes. You may know that the UoN has made a great collection of short, vignette videos telling you something about each element on the periodic table, and this set of QR codes (that you scan with...

May 2014 it is.

The new AP chem exam will apparently become reality in May of 2014. http://advancesinap.collegeboard.org/?ep_ch=PR&ep_mid=9181315&ep_rid=30910878