Surfboard- One of the necessary things for surfing.
At the moment, modern boards have moved very far from their large ancestors made of wood, both in terms of board construction and design, the materials from which the boards are made have also changed very much. The manufacture of boards is still carried out manually as before. They are made by special people called Shapers. The boards are made of polystyrene, which is why they are so light, and they are coated with a special layer of fiberglass on top, so they are quite strong and have good glide.
Consider the board and understand what it consists of: Continue reading
What tricks have people not resorted to to get into the kingdom of Neptune, not accessible to creatures whose airways are not adapted to live under water! The ancients exhausted themselves with lengthy workouts, allowing them to hold their breath for several tens of seconds longer. Another idea came up with the use of lumps of wool or animal fur, in which air bubbles are trapped. The first device used by primitive divers for diving was a long straw through which they breathed while under water. In the 16th century, an air bell and a leather suit began to be used, which was filled with air pumped from the surface. Diving suits gradually improved and for a long time served people as faithful helpers in various underwater works.
But a real breakthrough in the study of the underwater world occurred only in the 20th century, when scuba gear was invented almost at the same time and the first bathyscaphe was built. In 1910, a slightly improved model of the Henry Fluss submarine, invented back in 1878, found its application as the rescue equipment of the English submarine fleet. The use of a similar apparatus called the scuba gear was Continue reading