This Tiny Light-Emitting Device Flashes 90 Billion Times a Second

This may look like a piece of abstract art, but you’re actually looking at the cutting-edge of optical technology. Using a branch of physics known as plasmonics, this microscopic set-up can pulse light on-and-off a bewildering 90 billion times per second.

What feeling does this article give you?
Joy
Disgust
Fear
Anger
Sadness

More #news: