Hedy Lamarr led a double life. Best known as an actress, Lamarr was also a brilliant inventor, responsible for the technology found in Wi-Fi, GPS, and Bluetooth. After studying primary and secondary source materials, groups conduct an...

What does it take to be considered a smart material? Learners investigate the properties of Nitinol, a smart material, through a hands-on lab activity. They examine the crystal lattice structure and the conditions required for Nitinol to...

Astronomy is literally over your head, but this lesson will explain how we study it. Young scientists make telescopes, calculate and compare the light gathering power of lenses, and simulate detection of infared radiation....