Post-it Notes animation

Artifact This video of some amazing stop-motion animation using post-its dubbed 'Deadline.' Guiding Questions How long did this take? What's the time-length of each frame? How many post-its were used? How many of each color? Something about coordinate transformation? Can we do this? Suggested Activities Have students use coordinate geometry and transformations to make their … Continue reading Post-it Notes animation

A single robot-made rainbow ; what does it mean?

Artifact This amazing video of a rainbow-painting robot. (h/t: Science Friday.) Guiding Questions How much paint did this guy need of each color? What's the radius of the rainbow? or, What's the length of the arm that moves in a semi-circle that paints the rainbow? Which color will run out soonest? And how much sooner? … Continue reading A single robot-made rainbow ; what does it mean?