For many years, the protractor has been one of the essential tools used in classrooms and workshops in geometry and design.

Matthew Reinhart shows a pop-up from Encyclopedia Prehistorica: Dinosaurs in Engineering the Perfect Pop. This resource was created as part of the Science Friday Educator Collaborative. If you are ...

What can birds tell us about what dinosaurs looked like and how they moved? Did you know that not all dinosaurs are extinct? Technically speaking, birds you see today are dinosaurs. How awesome is ...

Introduction If you wanted to measure the circumference of Earth, how long would your tape measure have to be? Would you need to walk the whole way around the world to find the answer? Do you think ...

Living creatures, like walking animals, have found fascinating solutions for the problem of locomotion control. Their movements show the impression of elegance including versatile, energy-efficient, ...

The possibility of "swimming" and "gliding" in curved, empty space shows that even after nine decades, Einstein's theory of general relativity continues to amaze In a famous series of stories in the ...