DIY : Learn how to make a Stair climbing Robot using PVC pipe, six 12V DC motor (30 RPM), six wheels and one wireless remote control. Its also called Mars Curiosity Rover.
A new startup called Flybrix developed by an MIT graduate inspires kids of all ages to build their own drones with already-loved LEGO pieces.
With nothing but a piece of wood and a knife, you can make endless amounts of strong plastic string.
Here's a quick and easy way to make charcoal at home, for grilling, pyrotechnics, drawing/sketching, or anything else you need charcoal for.
Make a batch of charcoal using the mound method then stored it in baskets for later use. The result is a nearly pure carbon fuel that burns hotter than wood without smoke and with less flame. Charcoal was primarily a metallurgical fuel in ancient times but was sometimes used for cooking too.
Making black powder for pyrotechnics without any equipment. Good tutorial on charcoal with some additional information.
Here is a step-by-step tutorial on how to make an 800 amp Spot Welder from common materials and for dirt cheap! Spot welders are used to fuse thin sheets of metal together and can cost hundreds of dollars to buy. In this video, we'll do it for practically nothing!
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