The Diving Equipment and Marketing Association (DEMA) delivers one of the true must-attend events in the dive industry. DEMA brings together professionals and enthusiasts from all levels of the field—recreational, commercial, military, etc. Small shops, large shops, individuals—whomever. That is DEMA, and it is an enormous amount of fun. It’s also highly educational. This year,…
Dalton’s law of partial pressures states that the overall pressure of a gas mixture is equivalent to the sum of all of its parts. Most gases that we typically interact with are mixtures; only in specialized settings does one typically interact with a single gas. Ambient air is made up of approximately 78% nitrogen, 21%…
It’s almost that time of the year again… The 2014 DEMA Show is just around the corner and will be returning to Las Vegas! November 19-22 at the Las Vegas Convention Center, diving industry leaders will gather to showcase new products and services available to the diving community. TRI Air Testing will be there…
The Professional Association of Diving Instructors (PADI) has launched a beautiful new website. The heavily revamped site is still in its infancy—its beta phase—so you might encounter a page or two that is not fully functional. But you will certainly notice a huge increase in the use of social media sharing/linking and graphics to tell…
The Diving Equipment and Marketing Association (DEMA) delivers one of the true must-attend events in the dive industry. DEMA brings together professionals and enthusiasts from all levels of the field-recreational, commercial, military, etc. Small shops, large shops, individuals-whomever. That is DEMA, and it is an enormous amount of fun. It’s also highly educational. This year,…
