VOTE PF Photo Contest - Simple Harmonic Motion

[ZapperZ]

This was probably a challenging theme, since you not only have to find the proper subject matter, but also have the ability to produce an animated GIF file. Still, here are the submission for this contest.

1. kuruman

2. ZapperZ

3. DrClaude

Contest thread

Zz.

 

[ZapperZ]

Final day to cast your vote for this contest.

Zz.