Terahertz waves and acoustic modulation: A datalink “Odd Couple”?
Researchers have mixed two radically different forms of energy waves, using laser-generated acoustic pulses to modulate terahertz waves generated by…
Is Optical Computing in Our Future?
Forget digital electronics: the long-discussed dream of optical computing may have taken another small step forward with the recent development…
The Doppler Effect: Existed Before Railroads?
Of course the effect did exist before the railroads. However, it wasn’t yet defined by the physics of the day,…
Build Guide for DIY Audio Spectrum Analyzer
In addition to being the epitome of everything that flashing LEDs have to offer, this design is of an aesthetic…
Split Flap Displays Spark Rush of Nostalgia
This modern incarnation of a vintage display technology is making its mark in myriad locations, including retro art installations.
Display Glass Requirements for Oxide TFT Technology
To build a display that meets high performance expectations, panel makers require a thermally and dimensionally stable glass to improve…
Flyback Converter Without Opto-Isolated Feedback
Do you know which side of the galvanic isolation to put the controller? Should you use optocouplers or some other…
Keeping Up With the Pace of Tech Change
Do you have any favorite stories of older technology that has gone by the board? Do you hanker for things…
Display technologies: Refinements and new entrants
Over the last decade, display developments have been largely evolutionary and pretty predictable. Recent technology newcomers, however, may turn the…
Digital security turns to Yoctrace to fight fakes
Fuji Xerox's Yoctrace is an object recognition technology that recognises inherent random patterns inadvertently generated on the surface of objects,…