本文目录一览:
- 1、春分为什么要竖蛋?春分竖蛋原理是什么
- 2、春分的"竖蛋"活动有什么原理?
- 3、春分立蛋原理和由来
春分为什么要竖蛋?春分竖蛋原理是什么
1、春分竖蛋的由来:
春分竖蛋也称春分立蛋。早在四千年前,华夏先民就开始玩儿这个游戏了。当然那时这个习俗,是源于古人对生命和生育的崇敬之情,并以此来庆贺春天的来临。
“春分到,蛋儿俏”这句民谚流传至今。每年春分这一天,总会有无数人玩起竖蛋的游戏。
竖蛋,通常是挑选一枚刚生下来三四天的新鲜鸡蛋,轻手轻脚在桌面上,把鸡蛋竖立起来。
2、春分竖蛋原理
据说春分竖蛋,还是有着一定的科学道理。因为春分之日,昼夜均等平分,地球引力及磁场也处于平衡状态,有利于竖起鸡蛋。但也有人认为,竖蛋的游戏纯属技巧。比如,要挑选一头大一头小的鸡蛋,竖蛋时大头朝下,这样有利于降低重心;选择刚生下三四天的鸡蛋,是因为新鲜的蛋黄素带松弛,让蛋黄下沉能使鸡蛋重心下降。
还有一个诀窍是,其实鸡蛋表面并非完全光滑,蛋壳表面会有一些微小的颗粒,如果能找到底面上的小颗粒,就比较容易竖起鸡蛋了。
春分的"竖蛋"活动有什么原理?
春分这一天为什么鸡蛋容易竖起来?虽然说法颇多,但其中的科学道理真不少。首先,春分是南北半球昼夜都一样长的日子,呈66.5度倾斜的地球地轴与地球绕太阳公转的轨道平面处于一种力的相对平衡状态,有利于竖蛋。
其次,春分正值春季的中间,不冷不热,花红草绿,人心舒畅,思维敏捷,动作利索,易于竖蛋成功。
更重要的是,鸡蛋的表面高低不平,有许多突起的"小山"。"山"高0.03毫米左右,山峰之间的距离在0.5毫米至0.8毫米之间。
根据三点构成一个三角形和决定一个平面的道理,只要找到3个"小山"和由这3个"小山"构成的三角形,并使鸡蛋的重心线通过这个三角形,那么这个鸡蛋就能竖立起来了。
此外,之所以要选择生下后四五天的鸡蛋,这是因为此时鸡蛋的卵磷脂带松弛,蛋黄下沉,鸡蛋重心下降,有利于鸡蛋的竖立。
春分立蛋原理和由来
话说当初哥伦布发现新大陆的那天晚上举办轻庆功宴,在宴会上哥伦布问大家谁能将鸡蛋竖起来,在大家都没有办法的时候,哥伦布机智的将鸡蛋轻磕在桌面竖了起来。但是古人发现似乎在节气 春分 可以在不损坏鸡蛋的情况下将鸡蛋竖立起来。这里边有什么故事吗?
“春分”节气在古老的传说中,春分这天最容易把鸡蛋立起来。据史料记载,“春分”立蛋的传统起源于4000年前的中国,当时是为了庆祝春天的来临。“春分到、蛋儿俏”的说法一直流传到现在。这一天,我国很多地方都会举行立蛋比赛。
“竖蛋”游戏玩法确简单易行且富有趣味:选择一个光滑匀称、刚生下四五天的新鲜鸡蛋,轻手轻脚地在桌子上把它竖起来。虽然失败者颇多,但成功者也不少。春分成了竖蛋游戏的更佳时光,故有“春分到,蛋儿俏”的说法。竖立起来的蛋儿好不风光。
根据经验,应这样“春分竖蛋”:鸡蛋的表面其实是高低不平的,有许多突起的“小山”,“山”高0.03毫米左右,山峰之间的距离在0.5毫米~0.8毫米。根据三点确定一个平面的道理,只要找到三个合适的“小山”支点,就能使鸡蛋竖立起来了。
其一,春分这一天,南北半球昼夜平分,呈66.5度倾斜的地球地轴与地球绕太阳公转的轨道平面处于一种力的相对平衡状态,同时地球的磁场也相对平衡,因此蛋的站立性更好。
其二,春分正值春季的中间,不冷不热,人心舒畅,思维敏捷,动作利索,也易于竖蛋成功。
但有专家认为这是纯粹的技巧问题,与春分无关。天文专家表示,鸡蛋可以在一年中的任何一天竖立起来,而且立稳的鸡蛋在没有外界干扰的情况下,可以保持十几天不倒。
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