Author

Richard Devanney

Richard Devanney

Multi-agency Instructor

Richard Devanney is a PADI, SSI, BSAC and SDI instructor who teaches technical diving through TDI, SSI XR and PADI TecRec. He previously managed two dive schools in Iceland and a tech school in Thailand. He now manages the SS Thorfinn, a liveaboard based in Truk Lagoon, Micronesia, that specializes in recreational and technical diving on the 80 or so wrecks within the lagoon. Go to his Facebook page for more information on diving Truk Lagoon and technical diving in general.

Stories by Richard
Drysuit P-Valve
Exposure Suit

Introduction to the Drysuit P-Valve

There are divers who pee in their wetsuits and divers who lie about it. But what if you’re in a drysuit when the urge strikes? A drysuit p-valve can save the day.

by
Surface Marker Buoy
Training

Choosing the Right Surface Marker Buoy

Every diver should carry some sort of surface marker buoy, but what should you look for when buying one? Here are some of the most common features.

by
Undersuit for Your Drysuit
Exposure Suit

Choosing an Undersuit for Your Drysuit

Choosing an undersuit for your drysuit requires careful selection to keep you snug and warm. What should you look for?

by
Diving Ascent Methods
In the Water Training

Diving Ascent Methods and Decompression Stress

Ascending slowly from a dive to reduce the risk of DCS is a well-known practice. But exactly how does your ascent profile affect decompression stress?

by
New stuff
Common Dolphin Species

Five Common Dolphin Species

Dolphins are among everyone’s favorite marine animals, living in all the world’s oceans. Here are five of the most common dolphin species
by Hélène Reynaud
Technical Diving

The ABCDs of Technical Diving

The foundational ABCDs of technical diving — Awareness, Buoyancy control, Communications and Discipline — are vitally important on every dive.
by Yvonne Press
Sea Star

Marine Species: Sea Star

It’s always exciting to find one while beach combing, but the question often arises: what’s the difference between a starfish and a sea star?
by Guest Author
Solo Diving

Do Solo Diving and Technical Diving Mix?

Mention solo diving to any group of divers and you’ll get a strong reaction. But what about solo diving and technical diving — do they ever mix? And if so, how do you stay safe?
by Yvonne Press