It has a thin metal skin that acts as the negative electrode, while a metal wire running lengthwise through the center of the tube serves as the positive electrode. In order for the tube to detect a radioactive particle or gamma ray, that particle or ray first must penetrate the thin ...
It was two gallons of Benjamin Moore Advance Paint, new hardware (I got them for $1 a piece from eBay – unused vintage hardware!), a can of high heat black spray paint, and two samples of rubber straps to hide the seam in our little faux beam that we did to wrap the ceiling. We...