Megalethoscope Slides Megalethoscope slides are meant to be viewed with a Megalethoscope. This large apparatus, invented in 1870 by Carlo Ponti, allows the viewer to look at an image in two ways. First, a daylight scene can be viewed by opening the doors and letting a series of mirrors direct the light onto the front …


How these geeks pulled off one truly amazing light show at CenturyLink Field Click to read a little article on the accomplishment. (Source:

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