In cenotes we make a distinction between cave and cavern. Limits of a Cenote Cavern Dive : you are at a maximum distance of 67meters / 140feet from any exit (open water) you can always see the light from entrances. there are no restriction area : there is alway room for 2 people side by side.
1 In the non-canon music video for Derezzed, there is an arcade machine called Derezzed in place of the TRON arcade machine. 2  The Derezzed machine is labelled as being made by ENCOM, just as the TRON machine is labelled as such in TRON: Legacy.
It is one of the earliest arcade video game released in the year 1972. Created by Allan Alcorn, the 'Pong' video game was released by 'Atari Incorporated'. History of Video Games. The missile defense systems based on cathode ray tube are associated with the origin of video games in the 1940s.