: In a vacuum, laser beams remain invisible unless they strike a medium like water vapor or a "ringroid".

Downloading from GOG.com provides a DRM-free experience of a "diamond-hard" science fiction mining simulator. Set in the year 2273, the game tasks players with navigating the dense, debris-filled rings of Saturn to excavate minerals and manage a burgeoning space excavation company. The Core Experience: Real Science in the Void Unlike many space games that rely on "technobabble," ΔVcap delta cap V : Rings of Saturn is built on realistic Newtonian physics.

: Ships follow the law that an object in motion stays in motion; every thruster burst requires an equal and opposite reaction to halt or change direction.