Using the knife, begin to cut the potato in a spiral. From one end to the other, without interruption, to obtain a continuous ...

This design was "While the electric fields of our waves are smooth and continuous in space, they can be generated by just two layers of disks which resemble a two-step spiral ladder. Just climbing ...

Image caption, STEP 4 - DRAW THE SPIRAL: Starting with the first square, draw a quarter circle inside it from corner to corner. Then do the same in the second square and so on, creating a growing ...