An interesting physical experience. The reaction of water to static electricity.

Making a really tiny chess set

The mechanics of a mortar shell

Hyundai showed a robot cart that can adjust to terrain, travel at speeds of up to 30 km/h and run for four hours on a single charge.

Buffalo flips turtle over

True Gentleman

Giant magnifying lens demonstration.

A small trebuchet

Swedish torch fire cooking

Interesting… Is it safe?

Lion is trapped but his friend makes a grand entrance for the rescue

A failed rocket launch

RDS-3 atomic bomb by Soviet Union (1951)

Looks like a problem solver

An archaic Buddhist temple on the mountain.

How a stingray is fed

Demonstration of centrifugal force.

Visualization of airflow.