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.
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
UV cameras expose a hidden world and reveal the incompleteness of our perception. In summary, ultraviolet light interacts differently with matter for a number of reasons: 1. Some pigments selectively absorb UV so they may appear white in the visible but dark in the UV. Continue reading
MIT Media Lab researchers have created a new imaging system that can acquire visual data at a rate of one trillion frames per second. That’s fast enough to produce a slow-motion video of light traveling through objects. Continue reading
With the help of a specialist doctor and an opera singer, Sophie Scott investigates how the different parts of the voice box come together to create the human voice. Continue reading
Idea Submitted by Doug Fraser.
I try to build a camera in the most absurd way I could think of: by starting with a penny. Continue reading