Today I Found Out

Why Screws Tighten Clockwise

Why Screws Tighten Clockwise

One of the six simple machines, a screw is nothing more than an inclined plane wrapped around a center pole. While today screws come in standard sizes, and typically are tightened by turning clockwise (and loosened by turning counterclockwise), this is a recent invention. A great example of how things…

How Hot Dogs Are Made And What’s Actually Inside

How Hot Dogs Are Made And What’s Actually Inside

After the steaks, chops, breasts, ribs, thighs, hams, tenderloins and briskets are removed, there’s a fair amount of gristle, fat and offal remaining on a butchered animal, and early on, people realised this could be put to good use. One of these products is the hot dog, a classic of…