4D2U - What does 4D2U stand for? The Free Dictionary
References in periodicals archive
The ambitious, $28-million NASA-funded museum includes an interactive planetarium using data from the mountain's observatories, exhibits such as one in the Kumulipo (the Hawaiian creation chant) and a "4D2U
Theater," a one-of-a kind exhibit using real astronomical data in its six minute simulation of the universe's evolution.