"There are inventions that were made and later forgotten, and there are inventions that somebody forgot to invent." Walter Günther from Frankfurt/Main has done some catching up. He makes devices, which look as if they are from a museum, but which in reality never existed! (Copyright DPA)

The great inventors' exhibition begins soon at the Nuremberg Exhibition Hall, where more than 700 inventions are on display. Check out just a few of the many clever ideas being presented. (video copyright dpa)

Everyone knows the brand Mercedes-Benz, but not many know much about the founder. This video series tells the story of the automobile from the very beginning, and in particular, the life story of Carl Benz.

When Carl Benz first introduced his invention, people were anything but enthusiastic. In fact, many were terrified of the strange, spluttering contraption.

At more than 500 meters, Ulrichstein is the town in the state of Hessen with the highest elevation and, thus, an ideal location for harnessing the wind. Satisfying Germany's demand for energy in the new energy economy is the subject of this informative clip from the highland region of Vogelsberg. Copyright: Deutsche Presse Agentur [The German Press Agency]

The search for the true love: More and more singles are trying out online dating agencies and according to them, with success. Copyright: Deutsche Presse Agentur [The German Press Agency]

Emilio is an actor in the "Bibi & Tina" films and also a musician and singer. His song “Ausmacht” is about asking his partner’s permission to fall in love.

Emilio dedicates this heartfelt, celebratory song to his mother, who emigrated from Morocco to Germany all alone when she was young. She sought freedom, and the chance to give her future children a better life.

"Raus" is the end credits song for the documentary "SCHWEINSTEIGER Memories — From Beginning to Legend," which was produced by Til Schweiger. The song is about Bastian Schweinsteiger, an ambitious soccer player whose priorities are shifting.

Actor-singer Emilio raps about how difficult it is to find meaningful connections when he’s on the road.

"Find ich dich" is Emilio's declaration of love to his future partner, whom he is still longingly searching for. He is confident that he will eventually find the one.

In this song, Emilio imagines escaping a hot and unpleasant party to hang out with someone he’d really like to see — and drive through the city all night listening to Drake.

Elif, a German-Turkish artist residing in Berlin, sees her music as a personal journal. Through her songs, she invites her audience into her world and shares her most intimate thoughts and feelings.

Elif's tragic song is about loving someone who only cares about money, fame, and drugs.

In this edition of rheinmaintv, electric cars are carefully examined. Since they don’t use carbon-based fuels, they are much better for the environment, and although they are still a dream of the future, they may replace fuel-driven cars one day.