Diving into the water without an oxygen tank is called ‘free-diving.’ It is a form of apnea diving in which divers must hold their breath for an extended period while diving deep into the water with just one breath of oxygen. The difficulty in holding the diver’s breath during this time is not due to a lack of oxygen but rather an increase in carbon dioxide concentration. In other words, if you keep your heart rate low and your metabolism slow, you produce less carbon dioxide, which allows you to dive for a longer duration. The only way to maintain a low heart rate is to remain as calm as possible. Maintaining calmness has numerous benefits in life. - Joseph’s “just my thoughts”
I previously presented the stone currency "Fei" used on the island of Yap in Micronesia, the western Pacific island nation. The "Fei" currency was a round circle, sometimes over 3 meters in diameter and weighing 3.5 tons. The island of Yap had no roads. People went in and out barefoot. Several people carried this money by placing wooden sticks in the center hole of the circle. The island used to belong to Germany when Germany bought the Caroline Islands from Spain. The German government ordered the village chief to repair the path. But the village chief refused the order. A fine had to be imposed, and the heavy stone money could not be confiscated. After much agonizing, the German government marked the stone money with a cross in black paint. In other words, they confiscated the property. Surprisingly, the village head repaired the path and the German government removed the cross. The seizure was lifted. Economic value is personalized through ownership. The key to o...