"GE has built a prototype which is small enough to fit on a desktop" - The linked page (https://tinyurl.com/y2s9z69d https://tinyurl.com/y2s9z69d) claims 10 MW

"GE has built a prototype which is small enough to fit on a desktop" - The linked page (https://tinyurl.com/y2s9z69d https://tinyurl.com/y2s9z69d) claims 10 MW output - This is several orders of magnitude "north" from the reality (~ 15 kW).