I was curious too, and it turns out that Nano Dimension is publicly traded, has seen its market cap collapse over the last four years, and oddly seen a massive spike in trading volume over the last four months. I suspect this is another Microvision-like scenario where a stock on the verge of dropping into the pink sheets is getting gamed by people trying to convince others that it is the next big thing.
Another possibility: just loading the page pegs my cpu even with javascript disabled for as long as the tab is open or until I zap a bunch of elements. Could it be a new innovation in cryptocurrency mining?