Difficulty: Intermediate
France
Episode nine of this series focuses on Galileo, a prolific inventor and scientist. He discovered the principle of the simple pendulum motion, very useful in the measure of time and later in the making of clocks.
Difficulty: Intermediate
France
In this video, a young Galileo gets one of his first revolutionary ideas on how to measure time. Pretty impressive for a fourteen-year-old, huh?
Difficulty: Intermediate
France
The Maestro explains how the revolutionary ideas of the early discoverers, which we now take for granted, were not always well received. Before Galileo, for example, everyone believed that the sun and all the other planets revolved around the earth!
Difficulty: Intermediate
France
In the last segment of this Il était une fois... episode on technology, we learn more about what vertical farms can do to help the planet thrive. The first commercial vertical farm recently opened in Singapore.
Difficulty: Intermediate
France
The students present the Maestro with various solutions for eliminating pollution on our planet, including vertical farms and biotechnology.
Difficulty: Intermediate
France
A group of smart young people found revolutionary ways to solve our planet's woes. Electronic books, Internet mail and much more...
Difficulty: Intermediate
France
Modern technology comes to the rescue! Planet Earth has a chance of recovering from man-made pollution.
Difficulty: Intermediate
France
Technology not only helps clean up our planet, but also allows us to explore the entire universe. According to the astrophysicist Alfred Vidal-Madjar, in five hundred years, we will have visited all the planets in the solar system.
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