Diving means changing, changing yourself, character or life. Experience underwater exploration, feel the sea water cold and warm, try to make yourself more perfect, and then use a more brilliant smile to welcome life, which is perhaps the reason more and more people like diving!

The original purpose of diving is to carry out underwater exploration, salvage, repair and underwater engineering operations and enter the activities below the water surface without carrying professional tools. After diving gradually developed into a recreational sport which takes underwater activities as the main content, thus achieving the purpose of physical exercise and leisure and entertainment, which is popular among the public.

Source: @333rdstreet

Magnetic tape is a kind of ribbon material with magnetic layer used to record sound, image, digital or other signals. It is the most productive and widely used magnetic recording material. It is usually made by coating a layer of granular magnetic material on the base of plastic film (support) or evaporating a layer of magnetic oxide or alloy film. Paper and celluloid were used as tape base. Now polyester film with high strength, good stability and not easy to deform is mainly used.

On March 11, 2021, Dutch engineer Ludwig odens, who invented cassette tape, died in the Netherlands at the age of 94, according to Dutch news portal Dutch News quoted by several foreign media.

Source: @9th_circle

Ping pongs originated in England at the end of the 19th century. It is said that there were two English tennis enthusiasts at that time. Once they had a tennis match outdoors. When it was hard to separate, it rained heavily, forcing the two energetic young people to hide in the school canteen. Then they put the dining room table together, separated by a few bricks, and hit it with tennis rackets. Onlookers found it interesting, followed suit and swept across Europe.

When playing ping pong, the eyes keep staring at the ball, follow the ball to a distance, back and forth, can effectively exercise the ciliary body movement and lens contraction, so that the eye muscle activity is large, eye blood supply is sufficient, vision is not easy to degenerate, is a good way to prevent visual decline.

Source: @agustincroxatto

A paddle is a rowing tool. The upper end is a round rod, which is easy to hold by hand. The lower end is a plate-shaped paddle, which is used to pull water. Newton’s third law in physics is used to make the ship move forward through the reaction force of water wave. So what does paddle tattoo mean? Is there any special meaning?

The paddles represent the ability, and the tattoos represent that in the pursuit of ideals, we need to pay our own efforts to show our real ability. Paddle control can control the direction of the boat, let it continue to move forward, so rowing requires skill, paddle tattoo on behalf of spiritual guidance. Paddle tattoo represents that after hard work, the career will be successful.

Source: @_ryhno_