On the Gentle Art #11

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“Pressure pushing down on me; Pushing down on you; No man ask for” – David Bowie

We may not ask for it, but we are, at all times, under pressure. Pressure is a fascinating phenomenon. Pressure can be a positive or a negative (I couldn’t resist the atmospheric joke). Pressure, say at 14.7 psi (or 1,013.25 millibars for you communists) can be a nourishing soup of nitrogen and oxygen for your lungs at sea level, but go a couple of miles up or down, and you’ll be in a world of trouble. You could hyperventilate and pass out from lack of oxygen at altitude, or be crushed by the pressure of water in the depths of the ocean. Continue reading “On the Gentle Art #11”