The 70-year-old professor making physics fun and interesting

Dr. David Wright has been teaching physics using an exciting teaching technique
Community college professor David Wright in the US state of Virginia has been delighting his physics students with his funny experiments for 45 years. And now thanks to a video taken by his student Erica, he is entertaining the internet audience too. The film of his hilarious antics has been viewed over 20 million times. 

(Photo: Dr David Wright. Credit: Tidewater Community College)
'It connects you to the outside world'
"Anything that makes the earth shake, we can record it here if it has a high enough intensity," says the school's physics teacher.