The issue focused on whether these technical challenges could be overcome in an idealized setting. If they could, they could provide the scale that would allow these kinds of advanced technologies to become mainstream. This article aimed to identify some of the technical challenges that could be overcome in an idealized setting. This article focused on whether these technical challenges could be overcome in an idealized setting. If they could, they could provide the scale that would allow these kinds of advanced technologies to become mainstream. [28] All three sources mention