The war between Russia and Ukraine began on February 24, 2022. It all happened when Putin, the president of Russia, decided to join NATO and the European Union, Putin not looking kindly on it and afraid of losing his own economic interests then decided to invade to take possession of the territories in order to have absolute power over the united states and european union. This caused the population many economic problems, all the Ukrainian people had to flee and emigrate to neighboring countries such as Poland, Romania and Moldova due to the bombing. This situation is very sad because we are understanding nothing that man has not learned from history and from his past.

RAIBO2: The Four-Legged Robot that ran a marathon on a single charge
South Korean researchers have developed a highly energy-efficient quadruped robot that completed a 42-kilometre marathon in just 4 hours and 19 minutes, with enough battery








