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

Senator Bernie Sanders takes a break from campaigning to grab a quick bite at a fast food restaurant, giving a glimpse into his eating habits on the road.

Watch Dwayne 'The Rock' Johnson show off his dance moves on stage, bringing energy and enthusiasm to the crowd.

一组描述夕阳下的美景和诗情画意的文字，描绘了夕阳下的自然美景和人文情怀。

A demonstration of a USB pen drive being physically broken in half by hand, highlighting its fragility.

A rare glimpse of Russian President Vladimir Putin in a casual setting, enjoying a plate of spaghetti.

Get a thrilling first-person view of a roller coaster ride, with sharp turns, steep drops, and high speeds.