Gear Articles

Prescription Dive Masks

Text and photos by Joshua Nowitz

New Gear Orientation

By Jim Gunderson

Evaluating Oxygen Delivery with a Demand Valve

By Denise Blake, M.D., and Neal Pollock, Ph.D.

Piston or Diaphragm: Does It Matter?

By Francois Burman, Pr. Eng., M.Sc.

Hooked on Hookah Diving

By George Anderson

DIN Connectors Are No Yoke

By Caitlyn Ruskell

Breaking Into Backplates

By Reilly Fogarty

How Old Is Too Old?

By Francois Burman, Pr. Eng, MSc., and Peter Buzzacott, Ph.D., MPH

Replacing dive computers and BCDs

Customize Your First-Aid Kit

By Josh Benjamin

Know Your Oxygen-Delivery Masks

By Patty Seery

Are 6351-T6 Alloy Scuba Cylinders Safe to Use?

By Mark A. Gresham, President, PSI-PCI

Traveling Light

By Todd Yarbrough and Reilly Fogarty

Oxygen Sensing in Rebreather Diving

By Michael Menduno

Invisible Crystals

By Francois Burman, Pr. Eng, MSc

Crystallized nylon-hose interiors can cause regulator failures.

By Rob Bleser

The art and science of producing breathing gas

Accessorize Your Dive

By Reilly Fogarty

Gear-Related Incidents

By Peter Buzzacott, MPH, Ph.D.

Do You Know What You’re Breathing?

By Michael Menduno

CO₂ sensing in rebreather diving

Establishing a Baseline

By Tyler Coen

How dive computers determine surface pressure

Snorkels: Pros and Cons

By Neal W. Pollock, Ph.D.

Snorkel Photo Gallery

Underwater Communications Systems

By Michael Menduno

Freediving Gear

By Michael Sumlin

By Marty McCafferty, EMT-P, DMT, and Patty Seery, MHS, DMT

By Patty Seery

An essential piece of your dive gear

We're Over Here!

By Pete Nawrocky

Using surface marker buoys safely and effectively

Equipment for Dive Emergency Prevention and Response

By Michael Steidley

Maintain Your Gear

By Colby Cline

It’s All About the Toys

BY Pete Nawrocky

A brief history of modern dive gear

Redefining Performance

By Robert N. Rossier

Diver propulsion vehicles: Manage the risks, and enjoy the ride

Validation of Dive Computers

By Michael A. Lang, D.Phil.

By Terry Ward

Divers' second skins

Defining Performance

By Robert N. Rossier

Finding the right fins

Breathe In, Breathe Out

By John Brumm

Demystifying the inner workings of the scuba regulator

Get Wet, Dive Dry

By Michael Menduno

Understanding the basics of drysuit technology

By Eric Douglas

A valuable tool, not a magic potion

A Clear Picture

By Robert N. Rossier

Dive mask basics

Staying Neutral

By Robert N. Rossier

Beating the BCD blues

Nautilus Lifeline

By Stephen Frink

Let no diver be left behind.

My Drysuit Flooded, Now What?

Written by Jessica Harned

A Leak Prevention and Troubleshooting Checklist

When Gas Goes Bad

By Robert N. Rossier

Understanding gas analyzers

The Boat Left Without You: Now What?

By Robert N. Rossier

With the right signaling equipment, you can summon help.

Your Computer Fails: Now What?

By Robert N. Rossier

With the right backup instruments and techniques, you can keep diving safely.

Emergency Oxygen Units

By Robert N. Rossier

Proper care and maintenance is vital to ensure yours is ready for action

How Split Fins Work

By Robert N. Rossier

Split fins are designed to enhance the efficiency of the fin.

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