From one of the most exciting and accessible voices in physics, an eye-opening look into the strange and wonderful world of quantum physics and how it is revolutionizing our understanding of the universe.What is the universe made of, and how do we know? For decades, physicists have studied this question, circling the most fundamental yet...

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

A daily game that challenges our understanding of human cultures. Ten objects. 5,000 years of human history. Guess where and when each artifact was made. See how you rank.

President Trump's name is removed from the Kennedy Center. Explore C-SPAN's Free Educational Resources at https://www.c-span.org/classroom/ C-SPAN: Created by Cable in 1979. Offered as a public service. Support C-SPAN by Donating Today: https://donorbox.org/support-c-span?utm_source=YouTube&utm_medium=Video_Description&utm_campaign=Donations&utm_content=Donate Subscribe to our YouTube channel: https://www.youtube.com/user/CSPAN Follow us: Facebook: https://www.facebook.com/CSPAN Twitter: https://twitter.com/cspan Instagram: https://www.instagram.com/cspan/ Subscribe: C-SPAN Podcasts: https://www.c-span.org/podcasts/ Newsletters: https://www.c-span.org/connect/ Visit the C-SPAN Shop: https://c-spanshop.org/ #cspan

President Trump's name is removed from the Kennedy Center. Explore C-SPAN's Free Educational Resources at https://www.c-span.org/classroom/ C-SPAN: Created by Cable in 1979. Offered as a public service. Support C-SPAN by Donating Today: https://donorbox.org/support-c-span?utm_source=YouTube&utm_medium=Video_Description&utm_campaign=Donations&utm_content=Donate Subscribe to our YouTube channel: https://www.youtube.com/user/CSPAN Follow us: Facebook: https://www.facebook.com/CSPAN Twitter: https://twitter.com/cspan Instagram: https://www.instagram.com/cspan/ Subscribe: C-SPAN Podcasts: https://www.c-span.org/podcasts/ Newsletters: https://www.c-span.org/connect/ Visit the C-SPAN Shop: https://c-spanshop.org/ #cspan