Операция «Гелий» - Season 1 Episode 2 ‫قسمت 2

Dr Helen Czerski examines the world of sound waves.

A stunning new documentary series exploring the incredible story of uranium, from its creation in an exploding star to its deployment in nuclear...

A 6-part series that answers the most profound questions of our universe

The story of the discovery that everything is made from atoms, one of the greatest scientific breakthroughs in history, and the brilliant minds...

A users' guide to the cosmos, from the Big Bang to galaxies, stars, planets and moons: where did it all come from and how does it all fit together? A...

A nine part television series, produced by J.C. Crimmins for PBS. Music composed, arranged and performed by Pat Metheny and Lyle Mays. The stated...

Stephen Hawking draws on 40 years of research to answer some of life's most compelling questions.

Brian Greene is going to let you in on a secret: We've all been deceived. Our perceptions of time and space have led us astray. Much of what we...

هونگ سو گان از صفر شروع کرد، شرکت تدارکات خود را تاسیس کرد که اکنون بدون مشکل در...