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.
It was the least painful of all his tattoos (She has 5 total). While the skin there is thin, there is not as many nerve endings. The vibration of the tattoo machine right next to your ear is a little uncomfortable, but that's the only real discomfort. It's also really easy to hide if you have medium/longer hair.