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Around Christmas time I have a tradition. I like to “borrow” some of my kids’ toys and use them for blog posts. So, here we go.

This is the Nerf Vortex Nitron Blaster. The Nerf vortex guns are different from regular Nerf in that they shoot spinning disks instead of dart-like objects. Essentially, they are like tiny frisbees. I guess the advantage is that they sort of fly rather than having a projectile-like motion.

How Fast?

But how do you determine the speed of these little disks? Yes, you already know the answer: video analysis. It gets even better. I have borrowed a Casio Exilim camera...