Explorer.exe is far slower. It was one of the reasons I switched to macos after being a hardcore microsoft fan for many years. explorer would be so slow with fodlers that has a large number of files it would darastically impede my workflow. Macos is far superior IMO than windows when it comes to daily use efficiency.
Super easy for collaborative work. As good as some opensource CAD options are, there isn't really anything out there in terms of OnShape for collaborative CAD work.
You would need a tank 4 times the size of a gasoline tank for liquid hydrogen, not to mention the high pressure tank that is needed to store the liquid hydrogen .