When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an ...

Abstract: The modeling of spectral characteristics of light-emitting diodes (LED) has been addressed in various studies. We extend the current state of knowledge by modeling the spectral ...

Microcontrollers for Kids shows a classroom-tested path from Scratch to Open Roberta to Arduino UNO, with printable coding ...

LED face masks offer a host of transformative skin benefits—they can reduce redness, treat acne, and minimize the look of fine lines, wrinkles, and discoloration. Even better, they don’t require a lot ...

A crowdsourcing hedge fund backed by billionaire Paul Tudor Jones has raised fresh capital from university endowments and venture firms at a valuation of $500 million, after its unconventional ...

Demonstrates periodic LED blinking using **hardware timers** instead of software delays. This allows the Pico to multitask while the LED toggles automatically. A lightweight Arduino library for ...

Demonstrates periodic LED blinking using **hardware timers** instead of software delays. This allows the Pico to multitask while the LED toggles automatically. STM32F4 example projects demonstrating ...

Companies have begun using AI to interview potential employees, and a new study shows a number of job candidates may prefer being interviewed by AI. Is there anything more stressful than a job ...

Skylarmaexo doesn’t just talk a good game, she actually delivers it, pixel by pixel, swallow by swallow. She’s so committed to oral masterpieces I half worry she keeps Gatorade in bulk. There’s a kind ...

The United States government shutdown drags on, marking a pivotal moment in America’s fiscal and constitutional history. President Donald Trump, the negotiator-in-chief, isn’t blinking. He’s swinging ...

Travis Gettys is a senior editor for Raw Story based in northern Kentucky. He previously worked as a web editor for WLWT-TV and a contributing writer for the Kentucky Enquirer, and he also wrote for ...