How Blue LEDs Changed the World – YouTube

Not only are small, energy efficient LEDs used in almost every piece of modern electronics, they have the greatest potential impact on energy savings globally. But LEDs didn’t have much use until the ’90s, when Japanese scientists discovered the missing link needed to complete the color spectrum: The blue LED.

Nobel Prize Lessons – Physics Prize 2018

Teacher’s guide This is a step-by-step timetable for the Nobel Prize Lesson about a 2018 Nobel Prize. This lesson package consists of four parts: a slide show with a speaker’s manuscript for the teacher, a student worksheet, two short videos and this teacher’s guide. The lesson is designed to take 45 minutes. Teacher’s_guide (PDF file 63K) […] Continue reading