1, the origin of the spring equinox vertical egg:

The spring equinox vertical egg is also known as the spring equinox egg. As early as four thousand years ago, the Chinese ancestors began to play this game. Of course, this custom was born from the ancient people's reverence for life and fertility, and as a way to celebrate the arrival of spring.

The proverb "Spring Equinox, Eggs are Pretty" has been passed down to this day. Every year on the day of the spring equinox, countless people play the game of erecting eggs.

The game is usually played by picking a fresh egg that is just three or four days old and gently placing it on a tabletop to stand it up.

2, spring equinox vertical egg principle

It is said that the spring equinox vertical egg, or has a certain scientific reasoning. Because the day of the equinox, day and night are equally divided, the earth's gravity and magnetic field is also in a balanced state, is conducive to erect eggs. However, some people believe that the game of erecting eggs is purely a skill. For example, to pick a large head of a small egg, vertical egg when the big head down, which is conducive to lowering the center of gravity; choose just laid three or four days of eggs, because the fresh yolk pigmentation band relaxation, so that the yolk can make the egg sink center of gravity down.

Another trick is that the surface of the egg is not completely smooth, there will be some tiny particles on the surface of the shell, if you can find the small particles on the bottom surface, it is easier to erect the egg.