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.
Itâs the most âmanageableâ of the 10 most painful places to get a tattoo. Additionally, hereâs an awesome resource from Mashable; Theyâve teamed up with Andy Eschenbach of Flying Tiger Tattoo to bring you this awesome info-graphic on the 10 most painful places to get a tattoo. Image Credit: Mashable.