What makes a dive technical?
Getting into advanced diving
Dive theory, in a few minutes at a time.
17 short explainers, from why depth changes everything to planning a technical dive. Each one stands on its own.
The series
Why depth changes everything
Pressure, Boyle's law and Henry's law
What are you breathing?
Air, gas fractions and Dalton's law
Choosing the gas you breathe
Oxygen toxicity, nitrox and trimix
Where the nitrogen goes
On gassing and off gassing
Decompression sickness
What bubbles do, and what to do about them
Breathing the same gas twice
How a rebreather works, and how it was built
The gas you breathe out
Carbon dioxide, and the rebreather scrubber
Open circuit or closed circuit?
What a rebreather changes
Electronic or manual?
eCCR, mCCR and semi closed
When the loop goes wrong
Rebreather risks, and how divers manage them
From caissons to computers
How decompression models evolved
Deep stops and the bubble debate
Bubble models and gradient factors
Bühlmann vs Thalmann
Two models, and planning to a chosen risk
Decompression in practice
Stops, deco gases and reading a schedule
How much gas do you need?
SAC rate, reserves and bailout
Planning a technical dive
Putting it all together