Shedding light on why blue LEDs are so tricky to make

Scientists at University College London, in collaboration with groups at the University of Bath and the Daresbury Laboratory, have uncovered the mystery of why blue light-emitting diodes (LEDs) are so difficult to make, by ...

The future is bright, the future is quantum dot televisions

The Consumer Electronics Show (CES) has arrived again, the world's largest consumer electronics and technology exhibition in Las Vegas, where manufacturers will show off the new technologies available in 2015.

Giving LEDs a cozy, warm glow

When the 2014 Nobel Prize in physics was awarded this October to three Japanese-born scientists for the invention of blue light emitting diodes (LEDs), the prize committee declared LED lamps would light the 21st century. ...

Japan's digital eyes show your emotions for you

Can't be bothered to show anyone what you're thinking? Then a Japanese scientist has the answer—a pair of digital eyes that can express delight and anger, or even feign boredom.

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