No. When this article was previously posted there was an interesting thread on this topic. https://news.ycombinator.com/item?id=16955549 https://news.ycombina

No. When this article was previously posted there was an interesting thread on this topic. https://news.ycombinator.com/item?id=16955549 https://news.ycombinator.com/item?id=16955549 Edit: I should mention that one can make a rectifier using household chemicals. Caution is still warranted of course. http://www.hpfriedrichs.com/radioroom/cu-diode/rr-cu-diode.htm http://www.hpfriedrichs.com/radioroom/cu-diode/rr-cu-diode.h...