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 ...

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 ...

These guides will help you find your way around several generations of Microsoft’s Office apps for Windows — and Windows itself. Need to get up to speed on the latest features in Excel? Wrestling with ...