Joel_BC
Super Self-Sufficient
This is pretty phenomenal to watch. It contains a pretty long video, and you can definitely get the idea by watching just 1/2 or 1/3 of it:
http://www.geek.com/news/physics-exploiting-axe-splits-wood-in-record-time-1591725/
This one, below, conveys the design principle. The slow motion offers a visual explanation of how it functions
They're expensive to buy right now. But given time, I'm pretty sure they'll go into mass production and be reasonable. Very possibly the way of the future.
http://www.geek.com/news/physics-exploiting-axe-splits-wood-in-record-time-1591725/
This one, below, conveys the design principle. The slow motion offers a visual explanation of how it functions