When we review and compare smartwatches to the Apple Watch, its app selection is always a key differentiator. However, there’s a lot of mediocre stuff out there, so we’ve revamped our guide to include ...

Magnetic materials are materials studied and used mainly for their magnetic properties. The magnetic response of a materials is largely determined by the magnetic dipole moment associated with the ...

Optical materials are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific material at each task ...