Daryl Smith, a Y-12 National Security Complex scientist, shows East Tennessee teachers that a balloon will shrink when dipped in liquid nitrogen during a “show and tell” laboratory on Friday.
In one room, bananas became brittle and snapped in clean lines after being dipped in super-cold liquid nitrogen.
In another room, teachers pedaling on a stationary bicycle with a generator attached learned it takes much more energy to power an incandescent light than compact fluorescent or LED bulbs.
The teachers were at the Y-12 National Security Complex on Friday for “show and tell” laboratories, learning experiments from Y-12 engineers and scientists that they could take back to their classrooms. It was part of the Innovation Valley’s Educators in the Workplace Lunch and Learn summer program. [Read more…]
