Résultats pour "Benjamin" dans Sciences et technologies

How much do you know about Benjamin Franklin? Find out the facts you need to know about this Founding Father, author, and inventor. You'll learn about the early life, challenges, and major accomplishments of this important American.

In 1752, the sky in Philadelphia, Pennsylvania, darkened. A thunderstorm was coming. Benjamin Franklin was ready to perform an experiment. He wanted to show the electrical nature of lightning. His experiment was a success, but he didn’t discover electricity that day. Myths about Franklin and his experiment have been told for years. Discover what’s real and what’s fiction through infographics, primary sources, and expertly leveled text.

Think you know all about the yeti? Think again! This snowy cryptid has a secret life that may surprise you. How long have yetis been around? Are they really so abominable?

Think you know all about the kraken? Think again! This tentacled cryptid has a secret life that may surprise you. Where do krakens call home? Do the big underwater beasts really use barf as bait? Uncover these exciting facts that engage monster fans alike.

Sure, almost all kids know Benjamin Franklin as one of America's Founding Fathers, a man with a hand in both the Declaration of Independence and the US Constitution. And they may even have some vague idea that he once flew a kite during a lightning storm. What Kathleen Krull sets out to do in this very different biography is show Ben Franklin as the natural philosopher (the term for scientists back in the 1700s), whose experiments led to important discoveries about the nature of electricity - including his famous demonstration that electricity and lightning were one and the same.

Benjamin wartet schon eine ganze Weile auf Otto. Warum er wohl noch nicht da ist...

What do libraries, streetlights, and fire stations have in common? What about bifocal lenses and the odometer? Sayings like "haste makes waste?" Benjamin Franklin was a man of many talents: a scientist who experimented with electricity; a diplomat who served as envoy to France and negotiated peace with England; a mapmaker, printer, and writer famous for his Poor Richard's Almanack.

Benjamin Banneker wasn't just a scientist. He was also an author, astronomer, and mathematician. Young listeners will discover how this self-taught man came to be one of the first important African American intellectuals.

Wer meint, nachts stünde das Leben still, irrt gewaltig. Diese Erfahrung machen auch die Freunde Flo und Jule, als sie während einer nächtlichen Expedition auf einen Fuchs treffen. Neugierig geworden wollen sie mehr über das Nachtleben erfahren. Welche typischen Einsätze warten zum Beispiel auf Feuerwehrleute und Polizisten, wenn es dunkel ist? Oder wie hält sich ein Lkw-Fahrer bei einer Nachtfahrt munter? Bei der Suche nach Antworten auf diese Fragen erfahren Flo und Jule viel über die Menschen, die nachts arbeiten. Aber auch die Natur hält in der Nacht nicht inne.

Die Neugier unserer Jüngsten kennt keine Grenzen. Alles wollen sie genau wissen und den ganzen Tag sind sie damit beschäftigt, uns Erwachsenen unzählige Fragen zu stellen. Wieso kaut die Kuh auch im Liegen? Wie belagert der Ritter eine Burg? Warum sind Feuerwehrautos rot? Wozu hat der Triceratops drei Hörner? Diese Hörspielreihe ist für alle Kinder gemacht, die noch nicht lesen können oder es gerade erst lernen. Sie entführt wissbegierige kleine Weltentdecker zu Geschichten und Schauplätzen, die ihnen am Herzen liegen und die sie begeistern.

You know Ankylosaurus. Now meet Yuxisaurus kopchicki! This armored dino lived millions of years ago during the Jurassic Period in southern China. It was covered in spikes and bony plates that kept it safe from dangerous predators. Take a closer look . . . if you dare.

Nine remarkable men produced inventions that changed the world. The printing press, the telephone, powered flight, recording, and other innovations have made the modern world what it is. But who had these ideas and made realities of them? As David Angus explains, they were very different: quiet, boisterous, confident, or withdrawn. But all had a moment of vision that they combined with single-minded determination to battle through numerous obstacles and produce something that really worked.

One thing that hasn't changed much at all in the last 10,000 years is the human brain. The relentless curiosity of the human mind, combined with our ability to solve problems, has resulted in huge innovation and change. Here, then, are some of the most revolutionary ideas of the last 300 years.