Get smart curated videos delivered to your inbox every week.      
The Kid Should See This

The Arrow of Time – Wonders of the Universe

Professor Brian Cox uses the Perito Moreno glacier in Patagonia, Argentina to help explain the Arrow of Time; a concept that tells us why sequences happen in the order they do.

From wikipedia: “Entropy is the only quantity in the physical sciences… that requires a particular direction for time… Hence, from one perspective, entropy measurement is a way of distinguishing the past from the future.”

The power and beauty of irreversible change. There is poetry in science. 

This award-winning video collection is reader-supported. Become a sustaining member to keep TKSST online and free for everyone, including teachers and parents who use it as a resource to spark learning and curiosity for kids.