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An alternative method for multiplying two-digit numbers quickly. This would be great to use to get kids thinking about math. Why does this work? Will it work with any two-digit numbers?

How To Build a Wood-Gasifier - Whether you want to be off the grid or simply prepared in the event of a sustained power outage, you are going to need an alternate source of energy at some point. A generator would seem like the practical solution to the energy problem, but what if you don’t have access to fuel? Images by tatebullrider/instructables.com

How To Build a Wood-Gasifier - Whether you want to be off the grid or simply prepared in the event of a sustained power outage, you are going to need an alternate source of energy at some point. A generator would seem like the practical solution to the energy problem, but what if you don’t have access to fuel? Images by tatebullrider/instructables.com

Free automotive wiring tips that will help you fix your vehicle electrical system now!

Free automotive wiring tips that will help you fix your vehicle electrical system now!