Sure, the physical build itself looks great, but it’s what [Michael] did with the firmware that impresses us the most. He’s using an Arduino Mega to drive the 7x7x7 cube and manages to squeeze out ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. >> A large band gap means higher-energy photons, which in ...

[youtube=http://www.youtube.com/watch?v=bl-kvfJxYwM&w=470] The Jyväskylä, Finland hackerspace hacklab-jlk was lucky enough to work on a public arts project for ...

The development of practical blue LEDs required great perseverance by several Japanese scientists who had to learn how to fabricate high-quality films of GaN and effectively dope them to create ...