With a 4k1 collector resistor and 16mA drive into the led, the chosen (read ‘cheapest on ebay’) 6N135 is supposed to beat 1.5μs for both turn on and turn off, with typical figures of 90ns and 800ns.

Aaron Rodgers completed 24 of his 32 passes under 10 air yards for 191 yards and a touchdown against the Colts. Rodgers ...

Using single-cell RNA sequencing and genetic screening, the researchers identified key surface proteins that mediate ...

Cheng Lyu is the winner of the 2025 Eppendorf & Science Prize for Neurobiology for her work in understanding how neural circuits assemble with such ...

Researchers have created a small bone 3D printing tool, which allows a doctor to “draw” biodegradable implants directly ...

Today, phone-connected front-door cameras and comms systems are ubiquitous. Here's a DIY smart doorbell for engineers and ...

Keloids are overgrown scars that often cause chronic pain, itching, and restricted movement, but their biological origins ...

The post examines reverse-phase dimming, also known as trailing-edge dimming, commonly used in modern lighting systems.

A new color-changing material can remember and forget like a brain cell, creating self-erasing images that hide information ...

Cyborg cockroaches guided by ultraviolet light and motion feedback navigate obstacles autonomously, showing how noninvasive ...

Beijing has taken countermeasures in response to the Dutch government’s actions Read more at The Business Times.