about telling the time, i haven't taught her that at home, but they are learning it in school and she's pretty good at telling the time now. Hi my son could tell the time quite early on, he's very academically bright, so could tell time at 4 years, he could tie his tie at 5/6 years, and tie laces at 8 1/2.
These 10 facts about space will blow your mind. External combustion is a process in which a device, such as a motor or engine, is powered by fuel burned outside of the device. It is an alternative to traditional combustion engines, where fuel is burned within the engine itself.
External combustion engines separate the combustion process (which is the energy input to the engine) from the working gas, which undergoes pressure fluctuations and Internal combustion engines inject fuel and air into the cylinders where combustion occurs. The resulting temperature and pressure changes of the fuel/air mixture (which is also the working gas) act on the piston to