Learn about the fundamental principles of electric circuits, including voltage, current, resistance, and common components like wires, batteries, and switches.

Russian President Vladimir Putin presses a symbolic red button, likely initiating a strategic operation or ceremony.

记录了夕阳下田园风光的美丽景象，晚霞、金黄色的小草和摇曳的狗尾草，伴随着晚风，展现了一片宁静而美丽的乡村景色。

Watch as the Terminator himself, Arnold Schwarzenegger, showcases his musical side by playing a lively tune on the accordion.

French rapper Booba performs an impromptu rap session at the foot of the iconic Eiffel Tower in Paris.

习惯可以改变一个人，好的习惯让我们变得更好，坏的习惯让我们不由自主。如何养成好的习惯，改变自己？

Learn how crypto trading bots use algorithms to automate buying and selling of cryptocurrencies, and explore their benefits and risks.