What is Operation Allies Welcome, the program officials say brought the DC shooting suspect to the US?

Create a stunning glass waterfall feature for your home using simple materials.

Certain materials feel a magnetic force. A magnetic force can be either attraction or repulsion. How to make a magnetic compass Learn how to make a magnetic compass.

Abstract: Due to its high bandwidth spectrum, free-space-optical (FSO) communication has the potential to bridge the capacity gap between backbone fiber links and mobile ad-hoc links, especially in ...