#94 What is the caliber of a gun cartridge?
I learned this today. The caliber of a cartridge relates to the size of the gun’s barrel in hundreds of an inch in America or in mm in Europe. A…
I learned this today. The caliber of a cartridge relates to the size of the gun’s barrel in hundreds of an inch in America or in mm in Europe. A…
I learned this today. The Panama Canal has reduced the journey from the Atlantic Ocean to the Pacific Ocean by 8,000 nautical miles (14,818 km), about 22 days. Before the…
I learned this today. The tallest a human could potentially grow is about 9 feet, 274cm. Humans grow because of a growth hormone called somatropin. It stimulates growth by telling…
I learned this today. Standardized time and time zones weren’t needed until rail travel became popular in the 1850s. Having international time zones seems common sense to us these days.…
I learned this today. The Kardashev scale describes five different levels of technological civilization, and we, as a species, haven’t even reached level 1. The Kardashev scale was, unsurprisingly enough,…
I learned this today. Leather is strong because the collagen fibers in the animal skin are strengthened and bolstered by other chemicals. It can take up to ten weeks to…
I learned this today. Labradors are used as guide dogs because of their temperament, but also because of their size. Guide dogs have been used for centuries. There is a…