Breaking STEM stereotypes to students, raising scores is a challenge for higher education
The teenager crossed her fingers. The dark pellet was supposed to levitate. Like magic, it floated an inch into the air.
Cruz Alvarado, 16, smiled. Her science experiment worked. The pellet, a superconductor Cruz created, rose when the professor poured liquid nitrogen near it.
“I think it’s pretty cool,” Alvarado, a junior at Meadowcreek High School in Gwinnett County, said afterward. On this day Alvarado was the one conducting the test, but she’s part of an experiment, too, one designed to...