Who still remembers Newton’s First Law? Nobody? Well, then this clip by Mathematik.net is exactly right for you. Have fun brushing up on your physics (and language skills at the same time) while watching this video.

In this clip by Mathematik.net, a magnetic levitation train in a vacuum tube is used to illustrate Newton’s First Law.

The Sun is the dominant orb in our planetary system. According to researchers, its light will extinguish in 4 billion years. Enough time for a couple more sunbaths. A documentary by WissensMagazin.

The desire to be able to see further and further out into space is made possible by an amazingly large telescope in the Ataca wilderness in the northern part of Chile. It is aptly called VLT ("very large telescope") and gives us a glimpse into the cosmic past. Enjoy this journey back in time! A documentary by WissensMagazin.

An interesting discussion from the field of astronomy: Considered minor planets, asteroids are categorized according to their orbits. Also, contrary to sensationalistic Hollywood’s film portrayals, the probability of them posing a danger to planet Earth in the short-run is slight. To the science enthusiasts among our subscribers, enjoy! A documentary by WissensMagazin.

Walter Günther is a throwback from a by-gone day! This Frankfurt tinkerer/inventor gives us a glimpse of his 19th century metal workshop. Take a look for yourself and see, for example, a completely automated grill that browns sausages evenly and his whimsical "Schaumkusswurfmaschine". [lit. "foam-kiss throwing machine"] Viel Spaß wünsche ich euch dabei!

"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)

We know that cities use machines to clean the streets, but did you know that specially-designed sidewalks can clean the air we breathe? Learn about the new way that the city of Frankfurt is working to improve the environment in this fascinating report from Rhein-Main TV. Umweltverschmutzung? Nein danke!

Do you consider yourself big-hearted? Well, the Westphalian Museum of Natural History in Münster has a working replica of a sperm whale heart that is the size of a compact car! For more about the fascinating whale exhibition at the museum, watch this news report. Copyright: Deutsche Presse Agentur [The German Press Agency]

Imagine discovering an old animal footprint in a rock, and then finding out it is 316 million years old! An amateur geologist in North-Rhine Wesphalia was out walking with his kids and discovered exactly that: the footprint of a pre-dinosaur, which when it lived was about the size of a pig. This sensational discovery will be exhibited soon in Bochum’s German Mining Museum. (Video 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)

It looks like a yellow cigar and drives like a lawnmower on the bottom of the sea: Kiel researchers hope that the submarine "Abyss" can help find debris from the missing Malaysian Boeing flight. (video copyright dpa)

Kids at the "Schule am Hang" elementary school in Frankfurt am Main are doing experiments on energy resources, and all of it sponsored by the local electric company Mainova AG. See if you can spot the future scientists among the kids interviewed!

Germany, ever a leader in automotive technology, will have to wait until 2025 before fully-automated vehicles are allowed on the autobahn. Continental may be ahead of the curve in Europe, but unless the EU makes a new law, the Google driverless car will stay hot on their heels. (video copyright dpa)

The Frankfurt Music Trade Fair has everything for the musician that the music industry has to offer, from tiny bells to the world's largest loudspeaker. For classic metal fans, Scorpions guitarist Rudolf Schenker is interviewed too! A video from rheinmaintv.

The RT Radiotonteam can consolidate all of your old videos and recordings into digital keepsakes. Here Mr. Grund, the owner of the company, discusses some of the more interesting moments...

The RT Radiotonteam can consolidate all of your old videos and keepsakes into a digital video. Here Mr. Grund, the owner of the company, discusses some of the more embarrassing moments...

This Yabla video shows a machine from the Karlsruhe company SAC which inspects textiles for defects. If you are a fan of Technik, this video is for you!

The North Sea is an unpredictable and mysterious marine habitat, teeming with life. Join marine biologists Florian Graner and Natali Tesche-Ricciardi on an exciting adventure!

Florian and Natali finish a great first dive with the basking sharks and then make their way to the coast of Holland.

Florian and Natali join divers Joop and Felicia Stahlenburg in making underwater willow tipis for the endangered cuttlefish to spawn in.

In this installment, the sea creatures in the Oosterschelde are busy spawning and the male cuttlefish prepare for mating battle.

Now Florian and Natali leave behind the Oosterschelde and take to the air! In this episode, we get a glimpse of the mud flats in the intertidal zone: home to friendly seals and a resting place for migratory birds.

Even though the catshark's rough skin makes it a less than ideal meal, this doesn't keep the hungry gray seal from trying. However, the seal takes time off from the hunt to make friends with the divers.