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Steve LewisContributing Author

Skills Necessary to Conduct CCR Dives Utilizing Helium
There is no fluff when it comes to CCR diving. Each step has value and should be followed as prescribed. And that’s not just my opinion, it’s the best, safest and most secure way.
September 9, 2015/by jamescouncill
Cave diving 101: Avoiding Entanglement
Scuba diving seems to make an appearance on just about every sports writer’s list of the most dangerous recreational activities; and my guess is that when asked, every single one of the men and women compiling those lists would rank cave diving the most dangerous form of scuba diving.
May 12, 2015/by jamescouncill
Can You Imagine Diving NYC? #risingsealevels
Dived Brooklyn Bridge today. Not a very pleasant experience really. So many dive boats trying to tie-up at same time. We waited 20 minutes to get into the water. #trafficjambrooklyn
July 1, 2014/by SDI/TDI/ERDI
Diving Casualties of War
It was veteran journalist and author Tom Brokaw who first coined the term "The Greatest Generation" to describe those Americans who had lived through the Great Depression and who had fought in World War II. In his 1998 book of the same name, Brokaw wrote, "it is, I believe, the greatest generation any society has ever produced."
May 13, 2014/by SDI/TDI/ERDI
Is Cave CCR the Ultimate Challenge in Diving?
by Steve Lewis:
As if cave diving isn’t challenging…
April 17, 2014/by SDI/TDI/ERDIAs if cave diving isn’t challenging…

Calculating Gas Mixes, a Simplified Guide
March 20, 2014/by SDI/TDI/ERDI
Ice Diving for Fish Hooks
By Steve Lewis
When I mentioned to a friend that I was…
February 11, 2014/by SDI/TDI/ERDIWhen I mentioned to a friend that I was…

The diving appeal of the Bell Island Wrecks and Iron Ore Mine
OK, before drilling into a few of the real benefits and surprises…
December 6, 2013/by SDI/TDI/ERDI
Cave Diving and the Dangers without Proper Training
“More than 300 divers – including open water instructors…
July 2, 2013/by SDI/TDI/ERDI
Staying Alive on Rebreathers: It Really Is All About Set-Up
April 8, 2013/by tdisdiHQ
Sidemount Diving: It’s Not Just for Caves
By Steve Lewis
… but we should remember, that is where it…
March 8, 2013/by tdisdiHQ… but we should remember, that is where it…

The “P-Valve,” Avoiding a Wet Drysuit
By Steve Lewis
OK, hands-up all of you who have taken a pass…
January 14, 2013/by tdisdiHQOK, hands-up all of you who have taken a pass…

Air Management: More Than an Occasional Glance at an SPG!
By Steve Lewis
You may have sat-in on dive briefings that…
August 31, 2012/by tdisdiHQYou may have sat-in on dive briefings that…

Decompression Diving and the Technical Diver
By Steve Lewis
When the diving community attempts to set a…
July 17, 2012/by tdisdiHQWhen the diving community attempts to set a…

Gas Management Techniques for Sport Divers
Some fun facts about the “pony bottle”
With the rising…
March 26, 2012/by tdisdiHQWith the rising…
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