Various sensors can be attached to (or included in) multimeters to take measurements such as: 1  light level. 2  sound pressure level. 3  acidity/alkalinity(pH) 4  relative humidity. 5  very small current flow (down to nanoamps with some adapters) 6  very small resistances (down to micro ohms for some adapters)
The 1800s: Modern Golf Takes its Form: The 19th century is considered by many to be the period when the truly modern game emerged. The changes that primarily spurned this modernization were to the equipment of the game. Up to 1848, golf balls, as previously stated, were featheries, made of feathers and leather.
Bird was the cool of the 1800s in the U.S. So on the golf course, a great shot-one that led to an under-par score-came to be known as a bird, which was then transformed into birdie.. The term birdie was in worldwide use by the 1910s, and it's believed it debuted in the U.S. in 1899.