"I wanted to create a line of messaging devices for entrance and interior doors to help share or communicate important ...

"As a healthcare provider, I thought there could be a better way to automatically document notes during an emergency ...

Video by Sarah Joseph and Jon Betz, Smithsonian Digital Studio; Text by Megan Gambino Benjamin Franklin invented swim flippers when he was 12 years old. Frank Epperson, age 11, conceived of the ...