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The Science Behind How Dive Computers Work

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Megan Denny
28 May, 2026
Dive Gear
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How To Order a New PADI Certification Card

You may be wondering how to get a PADI certification card replaced and why you might need one. Here are a few reasons and options.
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New PADI Certification Cards & the Stories Behind Each Photo

Now is a great time to update your PADI Diver card or buy one to replace your lost certification card. Read about our newest designs.

Scuba Diving With Contacts or Glasses

There are a variety of options available to help divers with poor vision navigate the underwater world, such as scuba diving with contacts.
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How Much Does Dive Gear Cost?

How much does dive gear cost and is it worth buying a complete set of scuba equipment? Compare prices and decide whether to rent vs own.
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How Does Scuba Gear Work?

Curious how scuba gear works? Here's an easy-to-follow overview of the essential gear and how it allows humans to breathe underwater.
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What’s in My Dive Bag: A Working Diver’s Gear Essentials

When you're a PADI Pro, a PADI Ambassadiver and an underwater photographer, you learn how to pack! Read what's in Maelly Faure's dive bag.
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