I am on you side (but not all are more complicated and there are mechanical variations that are better than batteries for some scenarios) but the takeaway of th

I am on you side (but not all are more complicated and there are mechanical variations that are better than batteries for some scenarios) but the takeaway of that study is described here: https://news.ycombinator.com/item?id=43425560 https://news.ycombinator.com/item?id=43425560