A team of researchers from University of Toronto Engineering has discovered hidden multi-dimensional side channels in ...

This paper conducts a research on modulation characteristics of blue light-emitting diodes (LEDs) used in a visible-light communication (VLC) system. Through analysis of the modulation characteristics ...

These subwavelength structures represent a new class of semiconductor materials for investigating light generation, propagation, detection, amplification and modulation. After more than a decade ...

Harvard engineers unveiled the world's first visible-spectrum metasurfaces—ultra-thin, flat devices patterned with nanoscale ...

We should lock them in to ask ‘are you using Signal, are you using Gmail, are you using anything but high-side communications for transmitting classified or sensitive information.’” ...

Researchers report their insights on the emerging field of complex frequencies excitations, a recently introduced scheme to control light, sound and other wave phenomena beyond conventional limits.

As President Trump’s National Security team prepared to bomb the Iran-backed Houthi rebels, they got together on the secure communication app, Signal. Somehow, a journalist from The Atlantic was ...

Michael Waltz allegedly used personal Gmail account for government communications ... Waltz took “full responsibility” for a leaked Signal group chat involving senior Trump officials, which ...

Atomic clocks are the basis upon which a second is defined. But there is a new kid on the block, the optical clock, which ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the best smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...