Nitrox and Diving at Altitude The laws of Richard Boyle and John Dalton describe how air pressure and density, respectively, vary when we dive, and that of William Henry how gasses get absorbed in liquids and tissues under pressure. Nitrogen…
Google Earth Goes Back and Below
With Google Earth 5.0, you can now travel back in time to see historical imagery, dive below the surface of the ocean and record a tour of your journeys.Not as cool as doing it live, but hey when you’re snowed…