[NightHawkInLight] a.k.a. [Ben] recently built an awesome high power air cannon out of PVC pipe. PVC air cannons are great, and everyone should build one of these at some point in their life, but what ...
That unbelievably hot, unbreathable air you keep complaining about these days can quickly be turned into a cool breeze at home for just $50 with help of a cooler, a fan and a PVC pipe. Add solar power ...
Now that summer is in full swing, air conditioners are a necessity — and one YouTuber is showing the world how to build one that operates using solar energy for under $50. A video from YouTuber ...
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