What happens when you expose tellurite glass to femtosecond laser light? That's the question that Gözden Torun at the Galatea Lab at Ecole Polytechnique Federale de Lausanne, in collaboration with ...

Lighting efficiency standards continue to rise, but the Trump administration is trying to limit their scope. Here's everything you need to know. In 2007, Congress passed the Energy Independence and ...

Take a flashlight – the one on your phone will do – turn it on and place the pad of your index finger over the bulb. See that red glow? You might think it’s something to do with blood, but you’d be ...