Measuring 10 inches tall and made with 144 LED lights, Arduboy's digital candle is available for $149. Here's how it works.

There are plenty of “robot” projects out there that are really just a small remote control platform of some sort. We often like to think of robots of having some sort of autonomy though. [Luca Fagioli ...

You know those nights when it’s finally cold enough to shut the windows and a fire would be perfect? Most of us turn on the ...

Flashes of light in your eye happen when something stimulates the retina, often due to fibers in your eye’s vitreous fluid tugging on the retinal surface. The most common cause is posterior vitreous ...

Guardian journalism is independent. We earn a commission if you buy something through an affiliate link. Learn more. They claim to reduce fine lines, blemishes and redness – but which stand up to ...

Looking for all of London's Christmas lights? We've got information about all of the 2026 switch-on dates and events. This year's lights are magical in more ways than one. Image: Oxford Street/Dani ...

A simple near-field probe that makes electromagnetic interference visible with an Arduino and four LEDs - ShienLie/arduino-emi-sniffer ...