Mechanisms in Geogebra

Geogebra is an amazing tool for tinkering around with different mechanisms to see how they work. Here’s a video for how you can set one up, shared by Darren McGuigan, or Darren_ Mc_Guigan_14164205 on YouTube:

I tried it out and it works. Here’s a link to my recreation Geogebra file

https://www.geogebra.org/geometry/ye7awjsc

that you can play around with yourself if you want. It got me thinking about how this mechanism might work well for creating a robot that hangs from an I-beam and moves itself smoothly along, perhaps with a lot more of these mechanical “arms”.

Next up, a strandbeest! This was created by Stefan Himmelbauer:

Classroom Timers

Sensory Timer: Relaxing Rings (You can toggle the numbers on/off.) Website: https://www.online-stopwatch.com/sensory-timers/

Important note: These YouTube videos have sound by default. If you do not wish the sound to play, please mute your computer before pressing play.

5 minute water timer
Jellyfish 10 minute timer
25 minute asteroid timer