extremophile a tritina It’s a particular kind of tension, the headache oxygen deprivation brings. Spots of blue before the eyes, like the water – blue now, black by the end of the dive. Recklessness is all that could bring on a dive this deep, held back by surface tension which must be punctured with force, tearing open the blue world below. That world mirrors the sky above – blue and then black, at the end. The deepest dive ever taken was 214 meters. Imagine the tension of the crowd, tension that broke when the adventurer’s head broke the blue surface of the water, a part of him still stuck in the dive.