Electromagnetic waves are members of a family of waves with common properties called the electromagnetic spectrum. The electromagnetic spectrum is a continuous range of wavelengths. The types of ...

Sophie is admiring Chris from afar when her phone application Ada suggests ways of communicating with Chris and attracting his attention. Through comparing gossip travelling around a school to sound ...

When light enters from one medium to another, its speed changes as it chooses the shortest route to cross the medium thereby deviating from its original path in the ...

Electromagnetic radiation is a form of energy that includes radio waves, microwaves, X-rays and gamma rays, as well as visible light. When you purchase through links on our site, we may earn an ...