The mopping mechanism itself, which functions a bit like a typewriter carriage to allow a cylindrical robot to clean along straight edges or in corners, works really well. Narwal claims that it gets ...
One of the reasons Plug Power needs to sell stock is that it has not yet achieved profitability, despite being a public ...
Catalytic Chemistry Research Institute, National Institute of Advanced Industrial Science and Technology, Higashi 1-1-1, Tsukuba, Ibaraki 305-8565, Japan ...