It's the autumnal equinox in a few days. After the autumnal equinox, the days in the northern hemisphere are shorter and the nights are longer. People's biological clocks are also changing slowly. In some parts of the autumnal equinox, there is a custom of erecting eggs, mainly to celebrate the coming of autumn. Why do you want to erect eggs at the autumnal equinox? Do you know what's going on?
Why should the autumn equinox stand eggs?
As early as 4000 years ago, China had the tradition of laying eggs at the autumn equinox, which was to celebrate the coming of autumn. In the old legend, the autumn equinox is the easiest day to set up eggs. According to historical records, the tradition of laying eggs at the autumnal equinox originated in China 4000 years ago to celebrate the coming of autumn. Egg erecting activity embodies people's awe and reverence for life and birth.
According to astronomical experts, the equinox is the balance of time, the balance of day and night, and the stability of egg standing is the best. There are also views that the egg stand has nothing to do with the autumnal equinox. The egg can stand on any day of the year. At the same time, Chinese people also have the custom of erecting eggs on the autumnal equinox. Some places hold interesting games or competitions of "erecting eggs" on the autumnal equinox.
Autumn equinox vertical eggs to use raw eggs or cooked eggs raw eggs and cooked eggs can be, raw eggs are easier to stand up.
Experiments show that cooked eggs are more difficult to stand than raw ones. Because the center of gravity of the cooked egg has been determined, if the center of gravity does not fall on the supporting surface of the egg, it can not be erected.
The surface or desktop of the egg is uneven. As long as there are any three supporting points, the egg can form a supporting surface. As long as the center of gravity of the egg falls on the supporting surface, the egg can stand upright. But because the surface of the egg is curved and the supporting surface is relatively small, it is difficult to find the falling point of the center of gravity. But one thing doesn't change: the higher the center of gravity, the harder it is to balance; the lower the center of gravity, the easier it is to stand up. That's why the egg erector will conclude that the egg will stand better when the yolk sinks after shaking the raw egg.
The skill of erecting eggs at autumnal equinox
1. Vertical egg technique
The egg should be upright with the big head down and the small head up.
The most important thing is, when laying eggs, hold the eggs firmly! Feel that the eggs are upright, and when the hands leave, be more stable! Don't worry if you don't succeed at one time, and try several times with patience!
2. Egg selection
First of all, you have to choose raw eggs. If it's cooked eggs, the difficulty will increase many times. The reason is that the yolk of cooked egg white solidifies and the center of gravity is not easy to change.
Second, choose fresh eggs four or five days after birth. At this time, there is a slight relaxation between the egg white and yolk, the yolk slightly sinks, and the egg center of gravity is reduced, which is conducive to the erection of the egg.
Third, the most important point is to choose a slightly pointed egg and a round egg, similar to a tumbler's egg, so that it is easier to erect the egg.
3. Determine the plane
The shape of the egg is round and the skin is smooth. In fact, the surface of the egg is not completely smooth. In fact, the egg skin is uneven. There are many protruding 'Hills' with a height of about 0.03mm. The distance between the peaks is 0.5mm-0.8mm. To erect an egg, you need to find three suitable 'Hills' fulcrum to make the egg stand up.
4. Shake before laying eggs
Shake and shake the egg hard to disperse the yolk of the egg and sink it to the bottom so as to make the center of gravity of the egg lower and easier to stand up. In fact, shaking and shaking can't disperse the yolk in the egg and mix the egg white and yolk. However, shaking can make the medium density inside the egg even and easier to find the center of gravity of the egg!