By Jeffrey Bozanic. Special thanks to the Wisconsin Historical Society for their help with images. For decades, I have wondered who, exactly, Max Nohl was. All...
2024 marked the 100-year anniversary of humans breathing helium under pressure. Accordingly, tech diving instructor and scientist Jeff Bozanic teamed up with InDEPTH to highlight the...
By Jeffrey Bozanic, Ph.D. Images courtesy of the author unless noted. Unlike training to pilot aircraft, automobiles, or open circuit scuba gear, current rebreather training is...
