Complex sentence: The development of model Virtual reality applications suited to education uses, particularly in kindergarten through grade twelve (K-12), is largely unexplored territory, although military, government, and industry training programs have employed simulations using some form of virtual reality for years.
Split into simpler sentences: The development of model Virtual reality applications suited to education uses, particularly in kindergarten through grade twelve (K-12), is largely unexplored territory. Still, military, government, and industry training programs have employed simulations using some form of virtual reality for years.