Does colorful light therapy actually make a difference? I tested a range of devices on my acne-prone skin to find out.

Researchers at the University of Bayreuth have developed a method that makes objects on a magnetic field invisible within a ...

Antennas receive and transmit electromagnetic waves, delivering information to our radios, televisions, cellphones and more.

Let's face it — screens are everywhere. We're glued to digital devices more than ever before, from smartphones to laptops.