Howcast -Learn how to make a roller coaster in Minecraft with this Minecraft tutorial.

What is more fun then riding a roller coaster? Ask mechanical engineer Chris Gray and he'd say building one! At Greater Coaster International, Chris applies his creativity and engineering knowhow to build exhilarating (and safe!) roller...

Have you ever ridden a roller coaster? Have you ever wanted to design your own? There are plenty of expensive toys and even video games that will let you build your own coasters—but in this project you'll make one out of paper and...

How much energy does a roller coaster need to go through a loop without getting stuck? Build your own marble roller coaster in this project and find out!

For millennia, the people of Britain had been using bronze to make tools and jewelry, and as a currency for trade. But around 800 BCE, that began to change: the value of bronze declined, causing social upheaval and an economic crisis—...

In this video, the teacher explains the difference between quadratic expressions and quadratic equations. They use examples, such as a roller coaster path and building a patio with a brick border, to illustrate the concepts. The teacher...

Gever Tulley uses engaging photos and footage to demonstrate the valuable lessons kids learn at his Tinkering School. When given tools, materials and guidance, these young imaginations run wild and creative problem-solving takes over to...

TED Fellow and astronomer Erika Hamden leads the team building FIREBall, a telescope that hangs from a giant balloon at the very edge of space and looks for clues about how stars are created. She takes us inside the roller-coaster,...

Did your friend or coworker just visit an amusement park? This is a gold mine for connection. Learn what you can ask them about their experience in English to get to know them and build a strong connection

What does the future hold for humanity? According to Lord Rees of Ludlow, the Astronomer Royal, there is a distinct possibility that humanity will evolve, or adapt our own biology, to the necessities of space exploration so completely...

In which John Green explores how Spain went from being a middling European power to one of the most powerful empires on Earth, thanks to their plunder of the New World in the 16th and 17th centuries. Learn how Spain managed to destroy...

In which John Green explores how Spain went from being a middling European power to one of the most powerful empires on Earth, thanks to their plunder of the New World in the 16th and 17th centuries. Learn how Spain managed to destroy...