A Candle-Powered Light
For a little over two thousand years, the primary light sources after the sun had set were oil lamps and candles. This was well before the age of fossil fuels, …read more Continue reading A Candle-Powered Light
Tag Archives: Light
LED Interior Lighting Could Compromise Human Visual Performance
LED lighting is now commonplace across homes, businesses, and industrial settings. It uses little energy and provides a great deal of light. However, a new study suggests it may come …read more Continue reading LED Interior Lighting Could Compromise Human Visual Performance
One-Way Data Extraction For Logging On Airgapped Systems
If you want to protect a system from being hacked, a great way to do that is with an airgap. This term specifically refers to keeping a system off any …read more Continue reading One-Way Data Extraction For Logging On Airgapped Systems
Researching Glow-Powder Left a few Scars
Content warning: Human alteration and scalpels. General warning: We are not speaking as doctors. Or lawyers. If you watch sci-fi, you probably do not have to think hard to conjure …read more Continue reading Researching Glow-Powder Left a few Scars
Shedding Light on Quantum Measurement with Calcite
Have you ever struggled with the concept of quantum measurement, feeling it’s unnecessarily abstract? You’re not alone. Enter this guide by [Mithuna] from Looking Glass Universe, where she circles back …read more Continue reading Shedding Light on Quantum Measurement with Calcite
Innovative Clock Uses Printed Caustic Lens
Hackers and makers have built just about every kind of clock under the sun. Digital, analog, seven-segment, mechanical seven-segment, binary, ternary, hexadecimal… you name it. It’s been done. You really …read more Continue reading Innovative Clock Uses Printed Caustic Lens
Shining Through: Germanium and Gold Leaf Transparency
Germanium. It might sound like just another periodic table entry (number 32, to be exact), but in the world of infrared light, it’s anything but ordinary. A recent video by …read more Continue reading Shining Through: Germanium and Gold Leaf Transparency
Circuit Secrets: Exploring a $5 Emergency Light
Who would’ve thought a cheap AliExpress emergency light could be packed with such crafty design choices? Found for about $5, this unit uses simple components yet achieves surprisingly sophisticated behaviors. …read more Continue reading Circuit Secrets: Exploring a $5 Emergency Light
Wireless data speed record closes in on 1 Terabit per second
Slow Wi-Fi is a modern bugbear for many people, but thankfully we might soon be cranking those speeds up. Scientists at University College London (UCL) have set a new world record in wireless data transmission speeds, sending a blistering 938 Gigabits … Continue reading Wireless data speed record closes in on 1 Terabit per second
Forest-floor mirrors give shaded seedlings a 175% growth-boost
Many indoor plant enthusiasts already know that mirrors can be used to direct more sunlight onto plants that need it. Scientists have now developed a method of applying that same principle to endangered tree seedlings that are struggling to grow in sha… Continue reading Forest-floor mirrors give shaded seedlings a 175% growth-boost