[Fedetft] has an interesting project that combines two of those intriguing textbook references, he’s created a thermopile that lights an LED through an inverter whose oscillator is a tunnel diode.

Each Christmas period between 2016 and 2022, the city hosted the Tunnel of Light, a video tunnel of 57,000 LED lights which emulated the Aurora Borealis. Organisers said they believed the display ...

The 3D design uses over 150 LED bars, pixel-mapped to create a ... Massive cosmic structures 'create a tunnel of magical ...

Using the latest LED technology, the display features a ... Hokusai's "Thirty-six Views of Mount Fuji" series. A 100-meter-long tunnel of light called "Sea and Cherry Blossoms" has been added ...