Fellow scuba enthusiasts, do you want your dives to be safer, to stay down longer, and to have more energy for celebratory drinks after rinsing out your gear? I’ll take that as a duh — which is why it’s so crazy it took me so many years to get my nitrox certification. Earlier in 2016, before leaving Thailand for the summer…

Like the New York Times travel show, I barely knew what to expect when I bought my ticket for the Beneath the Sea dive expo. I knew that the website was impossible to navigate, and so is New Jersey, where the show was located. Luckily I had use of a car that weekend so I had…