![Pendulum - [pen-juh-luhm] - noun. a weight suspended from a fixed point so as to swing freely to and fro under the action of gravity.](/files/pendulum.png)
Use this tag: #thisismycontraption
The videos below were taken by visitors who used pendulums in their contraptions. If you've taken a video of your contraption & posted it on your blog or any social network use the tag thisismycontraption so we can find it & share it on our site & in our exhibit.
