Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.

Learn how to create a simple DIY LED notification light for your smartphone by repurposing an old earphone jack and an LED bulb. This step-by-step tutorial walks you through preparing a 3.5mm jack, ...

Most of us feel, or at least understand, that primordial fear of the dark. This comes from a past when larger and nastier animals roamed the nighttime landscape, and the light of a bright fire was the ...