When you think of projectors, I bet you think of some janky old thing hanging from the ceiling at some boring business meeting you almost fell asleep in. The DynaFlash is different. Spitting out images at 1,000 frames-per-second and mere three-millisecond lag, the DynaFlash is a projector that's actually cool.

The DynaFlash isn't just a projector; it's a projector with eyes that's also attached to a computer. That means that it not only beams out light, but it can also look at the surface it's projecting on, read in the angle of the surface, and then modify its projection to match a moving object in real time with a virtually imperceptible lag of only three thousandths of a second.

Of course, that's only half the battle. The other half is being able to project a new image quick enough to create the illusion of persistence, even on an object that's bopping around super fast. The DynaFlash's ludicrous 1,000 framerate (for 8-bit images, at least), is over 10 times faster than anything you're likely to see on even the most intense display and over 41 times faster than the average frame rate of movies. It's fast enough to let you do stuff like this:

The motion still looks fluid at 1/33rd the speed!

This isn't (just) a (fantastic) parlor trick; projection could have some interesting real world applications. Most interestingly, it could probably be put to use for low-lag projection-based "touchscreens" that could stand to turn any surface into an interface that acts just like any phone or tablet. I can't wait to see what people could do with this.

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Source: DynaFlash via Hacker News

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