(cheerful music) (electronic gadgets whirring and ringing) - [Children] Math Mights! Welcome, 2nd grade Math Mights. My name is Mrs. McCartney. I'm so excited that you've joined us today for our show.
Topology is the mathematics of shapes. Geometers consider lengths, angles and other details. Topologists are more interested in overall, global aspects; properties that survive when a shape is ...