In this video, we will show how to make a wootz tanto knife from a Celtic spear. This spear was given to us by one of our ...

In this video we will be making a knife. We will make American tanto from old jigsaw blades. We will make the handle of the ...

Your kid has a toy remote control fire truck. You have an RTL SDR. See where this is going? [Jacob] couldn’t resist tearing into the why and how of the truck’s remote control protocol.

Do you or a loved one suffer from distorted 3D prints? Does your laser cutter produce parallelograms instead of rectangles? If so, you might be suffering from CNC skew miscalibration, and you ...