Upon entering the gallery, viewers will
encounter glass blocks: intricate engravings, carved in thick, scientific glass, that delineate a complete mapping of the universe.
Not exact matches
In short, they are
glasses designed to
block most blue light that a person
encounters after it is dark outside.
These new features don't just include different ball types, either; as the player moves on to more difficult levels, they will
encounter metal and
glass blocks with different physical properties, as well as pieces of machinery that move
blocks around and require that the player use careful timing as well as an accurate aim.