Did you read our explainer on display technologies? If so, you'll already be well aware of the concept of PPI, or "pixels per inch," which is a more informative measure of "display resolution" than a ...

Engineers at Ohio State University have overcome a major barrier in the manufacture of high quality light emitting devices and solar cell materials. Steven Ringel, professor of electrical engineering, ...

Custom-made malware installed on an offline computer can use a hard drive's LED to send out sensitive data from infected computers to nearby cameras. This Hollywood hacking scenario is now a reality ...

Lower limb exoskeletons show great promise in helping those who have lost the use of their legs towalk again. However, if a person has been rendered quadriplegic, any hand controls insuch a device are ...

Design freedom is the ability to create products without restriction, or the ability to bring future products to reality. Revolutionary products including lifelike displays, extremely thin consumer ...

Light-emitting diodes (LEDs) can cause headaches or trigger migraine in some people. However, some research suggests green LEDs may help with migraine symptoms and headaches. Exposure to LEDs occurs ...

Three scientists, Isamu Akasaki, Hiroshi Amano and Shuji Nakamura, have been awarded the Nobel Prize in Physics for their work on blue LEDs. Since the development of the first blue LEDs in the early ...

In the early hours of October 7, 2014, while most of America slumbered, members of the Swedish Academy of Sciences were meeting to decide to whom they should award the Nobel Prize in Physics. The ...