Hertz is the number of cycles per second in an oscillating wave form. So 60Hz has 60 identical cycles in 1 sec. An Ampere (amp, or A) is the amount of electrons (or charge) that flow past a certain point in one seconds. So amperes are Coulombs/second.
The most and the least painful places to get a tattoo. Shoulder. The shoulder is the least painful tattooing site for two main reasons. First, because in this area there is a greater amount of muscle and second â nerves are not so much sensitive as in other nooks of the body. This area is often the most used and first timers tend to opt for them.
Sacrum Pain. The sacrum can be irritated and painful as a result of damage to the muscles surrounding it or even a herniated disc. The scarum is part of an anatomically complicated area of the body â it is located between the hips, at the bottom of the spine and is a small, triangular shaped bone. Cause of scarum pain.