2020-06-04 - Bill Schweber

Can your camera capture trillions of frames per second?

This complicated, sophisticated electro-optical system is a super-fast camera which can take a series of 1000 images at a multi-trillion…

2020-05-13 - Bill Schweber

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…

2020-05-06 - Bill Schweber

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…

2020-04-06 - Bill Schweber

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,…

2019-06-26 - Max Maxfield

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…

2019-05-29 - Max Maxfield

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.

2019-05-27 - Corning Glass Technologies

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…

2019-05-14 - Frederik Dostal

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…

2019-05-09 - Avid Ashton

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…

2019-04-08 - Brian Dipert

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…