Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to ...

Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED ...

That low-frequency fuzz that can bedevil cellphone calls has to do with how electrons move through and interact in materials ...

You can tell a lot about a material based on the type of light shining at it: Optical light illuminates a material's surface, ...