Railguns are the stuff of science fiction - but they’re real, and you can even build one yourself. This video takes you step by step through the process of making a DIY railgun, showing how it works ...

Discover how to build your own DIY laser pointer that connects to your smartphone's headphone jack and is controlled via an app. This step-by-step guide covers preparing the audio jack, soldering the ...

A Texas man has been charged with an international terrorism offense after authorities say he attempted to help ISIS build a ...