He upgraded the custom lighthouse light which he originally designed in high school for their garden fountain. He even went so far as to craft some retail-worthy packaging for the gift.

The light travels in a straight line directly from the object to your eye. Ray diagrams are used to show the path that light takes. The rays of light are represented using straight lines ...

Pharos, the ancient lighthouse of the port city of Alexandria ... Mirrors, made of very polished bronze, lined the entire inside projected the fire onto a mirror at the top. During the day, the sun's ...