XiaoTun has just luanched a Kickstarter campaign for an underwater jetback called the AJ-03. It can travel at speeds of up to ...

Submerged in about 40 meters of water off Scotland’s coast, a turbine has been spinning for more than six years to harness ...

At the core of Calibre’s approach is a simple but powerful principle: respiration is the only truly accurate way to measure how many calories the body is burning in real time.