curiosity

this moveless creation of Robert Goddard. the rocket engine is not the same as a regular engine. A typical engine rotates a crank by igniting gasoline, which pulls on certain pistons. As a result, rotational energy is used to turn the vehicle's wheels. Rotational energy is also used by electric motors to turn fans and spin disks. The rotational energy used by a rocket engine is not used in its operation. They function as reaction engines. The basic concept is that the fuel contained within the rocket's body undergoes a chemical reaction as it exits the rocket's end. The thrust created by this reaction drives the rocket onward. This is an illustration of one of Sir Isaac Newton. nowadays rocket engines are used for different tasks. this creation is changed the human history.   

 A nuclear weapon is a device that uses nuclear fission, nuclear fusion, or a combination of the two processes to release energy in an explosive way. Atomic bombs are the conventional name for fission weapons. Fusion weapons are also known as thermonuclear bombs or, more popularly, hydrogen bombs; they are nuclear weapons that release at least some of their energy through nuclear fusion. Nuclear weapons have a tremendous amount of explosive energy. The invention of the terms kiloton (1,000 tons) and megaton (1,000,000 tons) to characterize their explosion energy incomparable weights of the traditional chemical explosive TNT exemplifies their significance. The atomic bomb unleashed on Hiroshima, Japan, in 1945, for example, contained just roughly 64 kg. but after that insider's world rethink about nuclear power now mostly in the state of the power of the nation.  

 It's absolutely remarkable having a home aquarium.  According to studies, having a home aquarium can help to lower blood pressure, especially in seniors. Indeed, when compared to fishless tanks or those containing artificial creatures, such as goldfish, the presence of a fish tank containing living fish results in a greater reduction in blood pressure. Interestingly, the greater the number of species in the aquarium, the more relaxing the experience for observers, resulting in significant drops in blood pressure and heart rates. and the aquarium can make you calmer than before. also, it gives you joy. I consider the aquarium is a kind of art because every aquarium has a different design and character. It's truly amazing

M obile phones can use students with tools and apps that can assist them in completing their classwork. These tools can help teach kids improved study habits, as example, time management and organization. Using social media in class helps keep students interested and encourage them to participate in discussions.  This is especially beneficial for students who are not like to speak in class. Teachers may use mobile phones to their advantage by giving students with options for learning more about a topic. This can include videos, news reports, internet discussion boards, and other media. apparently, mobile can connect teachers and students together greatly.

  A lways people say video gaming is a bad thing to do. but it has some advantages too. I am spasticity talking about online video games. is a group activity.  if we want to win these games, we want to work with our team members. and we want to listen to them. and if there is any leader, we want to follow our leader to win the game. When you play with your team you work with them, and you can learn teamwork skills. also, then we can learn how to archive targets through teamwork. and in the video game is all about fast thinking and tactfulness is key things to winning. we can learn that thing also. in my opinion the best thing about video games is we want to play this under pressure. in that case, also we must manage our time properly to win the game. from it, we can learn about time management and how to work under pressure without losing our strength. when an online video game you want to beware all the time of what is happening in the game. If there is something wrong, we ne...

      bird strike is a collision between a bird and a man-made vehicle mostly in aircraft while is in operation. they are most likely to occur during the takeoff initial ascent approach and landing is uncommon for bird collisions to happen when a plane is cruising at high altitudes because birds usually fly at lower levels.        more than half of incidents happened in daylight because birds typically fly in daylight. bird strike or wildlife strike is a common thing in the aviation industry. aircraft damage from bird strikes depends on the size of the aircraft smaller aircraft mostly experience structural damages in some cases, especially with helicopter windscreen penetration may injure pilot and other people in aircraft this may have disastrous consequences. large aircraft mostly powered by jet engines commonly experience engine malfunction or engine failure. there is no permanent solution to this problem. modern aircraft are designed and built ac...