If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past the beautiful mounting. It’s not just stylishly framed; ...

Recent decades have witnessed rapid advancements in high-intensity laser technology. The combination of laser irradiation and novel materials is opening exciting avenues for the design of functional ...

One of the problems with being a graffiti artist is that you have to carry around a different spray can for each color you intend to use. [Sandesh Manik] decided to solve this problem by building ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Abstract: Pentacene organic thin-film transistors (OTFTs) with HfLaON high-k gate dielectric have been fabricated using various gate-electrode materials, including different metals (Al, Au, Cu, Cr, Ti ...

Abstract: With the development of wearable electronic devices and flexible biosensing technology, organic electrochemical transistors (OECTs) have received more and more attention. Fabric-based OECTs ...