by admin | Jul 11, 2024 | Advanced Open Water Diver
During your SNSI Open Water Diver course you learned that it is necessary to compensate for the increased pressure on gases and gas spaces. The Irish chemist, Robert Boyle (1627-1691) noted that at a constant temperature, the volume of a gas is inversely proportional...
by admin | Jul 11, 2024 | Advanced Open Water Diver
Density is defined as the degree of compactness of the molecules of a substance. In other words, it is the measurement of how close the molecules of a substance are to each other. For instance, a container that consists of a substance that has a high number of...
by admin | Jul 11, 2024 | Advanced Open Water Diver
Water is 700 to 800 times denser than air depending on its salinity. This is the primary factor that causes changes to a diver’s physiology, and makes it necessary to follow the required depth and time guidelines in order to avoid decompression illnesses. Pressure is...
by admin | Jul 11, 2024 | Advanced Open Water Diver
During your SNSI Open Water Diver course, you learned the basics about the laws that affect divers during and after a dive. A more in depth understanding of these laws of physics is necessary in order for you to better understand what happens to your body and your...
by admin | Jul 11, 2024 | Advanced Open Water Diver
The meaning of the term “deep” as it applies to recreational diving has been a matter of debate for many years among scuba divers. It is a very subjective term. For some divers, 18 meters / 60 feet may be considered a deep dive, while for others, 39 meters / 130 feet...
