BlogHide Resteemsaadd12bosaidong (4)in hive-175254 • 3 months agoI'm very confused"Why is the 'Hope Project' community downvoting my posts? I was simply sharing my views and knowledge, and I did not expect such an attitude from the community towards newcomers like us, using…aadd12bosaidong (4)in hive-185836 • 3 months agoWhy Do We Feel Sleepy When Focusing on One Thing?Mental Relaxation: When you focus on one thing, your brain may enter a state of high concentration but relative relaxation. This state can make you feel calm and relaxed, leading to drowsiness.…aadd12bosaidong (4)in hive-175254 • 3 months agoWhat is Blockchain?Blockchain is a type of Distributed Ledger Technology (DLT), initially used as the foundation for cryptocurrencies like Bitcoin. It is a decentralized database system that can record and verify…aadd12bosaidong (4)in hive-185836 • 3 months agoWhy do airplanes look like they are flying very slowly from the ground?When we observe airplanes taking off, they seem to move very slowly, mainly due to illusions and motion effects. This Firstly, when airplanes reach high altitudes, it becomes very cold. Due to the…aadd12bosaidong (4)in hive-175254 • 3 months agoHere are some things you need to know about network engineering.Basic Concepts Network Topology Star Topology: All devices are connected to a central node, usually a switch or router. Ring Topology: Devices are connected in a circular format, with each…aadd12bosaidong (4)in hive-188619 • 3 months agoPor qué la velocidad de vuelo de los aviones parece lenta desde el suelo?Cuando observamos aviones volando desde el suelo, parecen moverse muy lentamente, principalmente debido a ilusiones visuales y efectos de distancia. Este fenómeno tiene varias razones clave:…aadd12bosaidong (4)in hive-172186 • 3 months agoWhy do airplanes look slow from the ground?When we observe airplanes flying from the ground, they appear to move very slowly, mainly due to visual illusions and the distance effect. This phenomenon has several key reasons: Firstly, when…aadd12bosaidong (4)in hive-172186 • 3 months agoentrepreneurI am very pleased to meet everyone on Steemit. Initially, I got to know Steemit through short videos. As I slowly got to know more about it, I gradually felt the charm of Steemit. A website that…aadd12bosaidong (4)in hive-180932 • 3 months ago为什么天空是红色的？早晨和傍晚，在日出和日落前后的天边，时常会出现五彩缤纷的彩霞。朝霞和晚霞的形成都是由于空气对光线的散射作用。当太阳光射入大气层后，遇到大气分子和悬浮在大气中的微粒，就会发生散射。这些大气分子和微粒本身是不会发光的，但由于它们散射了太阳光，使每一个大气分子都形成了一个散射光 源。根据瑞利散射定律，太阳光谱中的波长较短的紫、蓝、青等颜色的光最容易散射出来，而波长较长的…aadd12bosaidong (4)in hive-185836 • 3 months ago¿Por qué las personas tienen piel de gallina?Hay pelos en la superficie de nuestra piel y hay un músculo erector del pelo debajo de cada poro. Cuando es estimulado por los nervios (por ejemplo, enojado, asustado, frío, etc.), la temperatura…