The film discusses the evolution and potential of using light waves, particularly coherent light, for communication. It highlights the development of lasers at Bell Telephone Laboratories, explaining how they produce a highly controlled and intense beam of light that could revolutionize communication. The film emphasizes the vast possibilities of lasers, including applications in telecommunications, surgery, and exploring the universe, suggesting that this technology represents a significant step in humanity's understanding and use of light.
For more than 50 years, we’ve been unsuccessfully searching for any evidence of intelligent extrater...
Cormac McCarthy has spent the last 25 years writing his novels at the mountain top retreat of the Sa...
One entry in a series of films produced to make science accessible to the masses—especially children...
Explains that heat is really a form of motion, a form of kinetic energy and that it can be converted...
Theory of Light is a documentary centred on the climate emergency through a climate justice lens. It...
This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and u...
Richard Feynman was a scientific genius with - in his words - a "limited intelligence". This dichoto...
Is nuclear energy the solution to the climate crisis? Whether it is the only carbon-neutral technolo...
In Astronomy Part 2, you will learn all about the planets, asteroids, comets, meteoroids, the layers...
This series also covers the essential concepts of astronomy: gravity, the light spectrum, Earth's ma...
Before the internet. Before social media. Before breaking news. The victims of Thalidomide had to re...
Computer animation and footage from NASA space missions explain how our solar system evolved and the...
A documentary produced in 1979 to celebrate the centenary of the birth of Albert Einstein. Narrated ...
After ignoring death for most of our history, the medical and scientific communities have begun to f...
Robert McChesney lays the blame for the US's current state of affairs squarely at the doors of the c...
A physicist, a director of popular-science films, and a sports fan talk about the structure of the a...
The recent discovery by the Kepler satellite of thousands of Earth-like planets where life could be ...
The first transatlantic communications cable, traversing the ocean floor from Valentia Island, Count...