Cloaking devices aren't just for Star Trek and Harry Potter any more! Here's a video that explains how cloaking devices work, or don't work. It details the technology needed to perfect cloaking and offers ideas for where researchers...

Dive into the magical world of Harry Potter. This Scholastic video (1:02) provides an introduction to the Harry Potter novels with information about each of the books.

Sal solves a multiplication comparison word problem with Harry Potter characters.