This is so damn cool my question is, why is this type of shit so damn rare?<p>Like why don’t we see more instances of cool, low cost, big value hackery? Is it just too creatively difficult to summon these types of ideas idk
Recently came across this DIY laser projector vid - <a href="https://www.youtube.com/watch?v=xszp5UQLB2g" rel="nofollow">https://www.youtube.com/watch?v=xszp5UQLB2g</a>. It's all mirrors and motors in there with some manual controls.
Wow, that is clever.<p>I love when the parts have been around for a decade or so and then suddenly....<p>I tell my daughters, "Nothing new under the sun," all the time.<p>I could be wrong from time to time.
Great explanation of the math, made it very easy to follow. And the joke at the end was a nice touch, I was totally waiting to hear about his SAAS startup...
Hi. This is Evan, the creator of Mechanical Laser Show. I am planning to present it at the upcoming Maker Faire in SF for a day so feel free to come by and check it out.<p>If you have any questions, feel free to ask here.
See also a recent submission: <a href="https://news.ycombinator.com/item?id=16273170" rel="nofollow">https://news.ycombinator.com/item?id=16273170</a><p>I wonder what's the story behind it, is it real or fake, and is there an original (non-gif) video.
At the other end of the complexity scale: <a href="https://www.youtube.com/watch?v=n2bf8L7G6WE" rel="nofollow">https://www.youtube.com/watch?v=n2bf8L7G6WE</a>