A fun physics event called the "Homemade Air Cannon Contest" was held at a school. Students were tasked with using their homemade air cannons to knock over empty soda cans pyramid placed 8 meters away ...

Pupils built an air cannon during their chemistry class in China. Schoolchildren participated in a fun science event called the 'Homemade Air Cannon Contest' at their school in Jiangxi, China, on ...