Revista científica multidisciplinaria (peer-review, indexada, y open access) enfocada en las ciencias exactas, físicas, biológicas, y sus aplicaciones ingenieriles, así como investigaciones en el interfaz de estas disciplinas.



Even when a game isn't in progress, virtually all venues enforce a masks-on rule while players are within the playing area. More generally, within any given area of the park, either all players'/spectators'/officials' masks must be on, or all players' markers must either have a barrel block in place or be disconnected from their gas source, to ensure that a paintball cannot be fired from any nearby marker and cause eye injury.