Résultats lu par "Maria Pendolino" dans Toutes les catégories

Can you imagine having to sit still for 30 minutes just to have your picture taken? Or having to send film away to be developed? Technology has come a long way since then! Listen to learn about photography inventions like flashbulbs, Kodak and Polaroid cameras, and more!

Cable-stayed bridges are one of six main types of bridges built around the world. Learn about the Zakim Bridge in Boston and try the activity to see how cable-stayed bridges are so strong. Can you guess how strong a cable-stayed bridge is?

Claire Williams was born with one leg much smaller than the other, but she doesn’t let that stop her from playing sports, jumping on trampolines, or wearing high heels! Read about how Claire is living a full life with the aid of a prosthetic leg.

For engineers and architects, mistakes are part of the creative process. Learn why the Leaning Tower of Pisa leans, how the reflections from the Walt Disney Concert Hall caused a heat ray, and what engineers and architects did to solve these types of problems.

Long ago a trickster rabbit cheated other animals in order to become more elegant. What happened when the other animals caught on? Find out in this tale from Uganda. The rabbit wants the fox’s tail, the fish’s scales, the bird’s feathers, and the leopard’s spots and greedily tosses away one feature for the next.

Have you ever seen a fractal? You probably have, and just didn’t know it! These repeating shapes can happen anywhere, whether in nature or in math—it’s easy to make one out of a series of lines and triangles! Follow along and make a fractal of your own in a fun craft.

Join us as we go on a journey into the world of symmetry! Learn about the wonders of line symmetry—or reflection—as you create mirror images and watch how rotational symmetry works in this brief peek into this area of geometry.

The idea that physical exercise is good for men and women alike is something we take for granted today, but people didn’t always believe this was true. There was a time when exercise was not considered proper or healthy for women. Thanks to athletes like Annette Kellerman, women have come a long way since then.

What happens when Holly the hedgehog wakes up early? Instead of spring, it’s still winter! With her friend Milton the mouse, Holly learns all the best things about winter. She finally gets to see that winter is not the nasty part of the year, but rather the best time of the year!

Have you ever seen a rhino do the rumba? Join the rhinos as they dance the night away in this silly animal rhyme! How long will they be able to keep dancing before they get too tired?

Have you ever watched a race car take a pit stop? Learn about all of the different jobs members of the pit crew have. The pit crew does everything from change the tires of a race car to refilling the gas tank, all faster than you can count to ten!

Auto racing is all about aerodynamics. Racecars use two different forces, lift and drag, to fly around the track. Find out how the cars use these forces, and then “fly” your own racecar with a fun experiment!

When your fairy godmother is the most proper person in the entire kingdom you had better be on your best behavior, especially if you want dessert! What’s a girl with an itchy nose to do? Until she learns proper sneezing manners, she can’t have any cake. Of course, this isn’t just any cake—it’s the best chocolate cake in the entire kingdom. Perhaps there’s a spell book around that can help.

Patterns are an important and often beautiful part of our world. One such pattern is a tessellation, or a series of shapes that is arranged in a manner that repeats itself with no gaps. Learn how to make your own tessellation with a fun craft!

Have you ever wondered how tall and long bridges are built? Learn about three different bridges and try the activities to learn about how strong bridges, like the Golden Gate Bridge, are made.

If you’re looking for a great invention, look no further than your bathroom or kitchen! Did you know that the first flushing toilet was invented four thousand years ago? Or that a melted chocolate bar sparked the discovery of the microwave? Learn about these great inventions and more!

Kids have always had amazing ideas, like how to keep your ears warm on a cold winter day or an icy treat to enjoy on a hot summer day. Learn about four young inventors and their inventions that helped to change people's lives.

In this comic, Click and Jane try to move a new chair into the clubhouse, but the legs keep getting stuck in the dirt. Clementine and Cloo have a few ideas that could help. Will they be able to move the chair?

Have you ever seen a sea star before? They are the pretty star-shaped creatures that hang out at the bottom of the ocean. Learn about Sea Star as she finds and eats her favorite food, moves around the ocean floor, and regenerates her broken arm! Learn about these strange invertebrates and the unique lives they live.

Candace and Dejario are researchers on the Courage Space Station. Dejario believers he is a “Penguin Whisperer” but Candace just wishes he would get back to work instead of playing with the penguins all day. But when Candace and Dejario's space station is struck by a meteor, they must use Dejario’s knowledge of penguins in order to survive the falling temperature. Using the Emperor Penguins' warming tactics—huddling and collodial jamming—Candace and Dejario are able to keep warm with the help of the penguins until help arrives!