To investigate the reflection of light by different types of surface, and the refraction of light by different substances. Remove the block. Join the crosses to show the paths of the light rays ...

Waves close wavesVibrations that transfer energy from place to place without the transference of matter. – including light – can be reflected at the boundary between two different materials.

By Audrey Peterson, Spiritual Reflections It was an evening of pouring rain. I was standing underneath the overhang at Fairview Ridges Hospital, contending with my umbrella that wouldn’t ...

Everyone knows about reflecting light with a mirror ... multiple microwave radiation beams off each other, creating a time reflection. Although the popular reporting talks about ‘turning ...

Darkness is an enveloping kind of thing. Darkness can take over not only a space but a person’s attitude and life. I wonder how people in Barrrow, Alaska do it. There is a point in the ...