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!

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.

Our eco-friendly home show representative explains the benefits of cellulose wadding versus fiberglass, two insulation materials commonly used in houses.

The students present the Maestro with various solutions for eliminating pollution on our planet, including vertical farms and biotechnology.

It takes a lot to decorate the 31-meter high Christmas tree on Strasbourg's Place Kléber: ten technicians, two bucket lifts, 75 thousand lights. Luckily, the operation is being managed by Antoinette Pfimlin, who has 20 years of experience decorating giant trees in a hard hat.

A group of smart young people found revolutionary ways to solve our planet's woes. Electronic books, Internet mail and much more...

A Primacalc representative introduces a revolutionary eco-friendly device that softens hard water. The device can be installed by a savvy handyman or a plumber.

Modern technology comes to the rescue! Planet Earth has a chance of recovering from man-made pollution.

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.

At the Eco Habitat salon, Olivier Brunet from the "Terres Cuites de Courboissy" (Courboissy Terracotta) tile factory explains how they make floor tiles that are both eco-friendly and pleasing to the eye. One of their clients even had his floor tiles made to look three dimensional!

The home of the future includes a talking refrigerator that gives you chocolate bars for breakfast! Unfortunately, it also includes some pesky robots....

In the second part of this Il était une fois... (Once Upon a Time) episode on technology, the kids attend a technology show in Japan, where they play some amazing virtual reality games... and some practical jokes.

Whether you are a fishing enthusiast or not, hop on board Charlie's boat and listen to what he has to say. The Indre-et-Loire Federation hired him to promote fishing and help revamp the dowdy image of the fisherman by dispelling stereotypes and encouraging young people to take up the sport.

The Maestro gives us an overview of some of the major innovations of the last century, from the invention of the radio to the discovery of the first exoplanet. We've come a long way in just a few decades!

Tourists can enjoy the Bérard waterfall in the Alps once again. At a cost of one hundred fifty thousand euros, a new footbridge leading to the waterfall and the Cave of Farinet was recently inaugurated.