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.
The majority of your tattoos healing should be over in 2 weeks, but it does take up to 4 weeks for a tattoo to be fully healed. Things to avoid during the tattoo healing process: -Try not to sleep on your tattoo. Example, if the tattoo is on your back, sleep on your stomach. Not only will the tattoo become stuck to your clothing and linens, it will leave a lovely imprint on your sheets.