My discovery of a 4th fundamental optical device

Event

Nilsson, Thomy

1986-10-03

00:46:27

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Original cassette held by UPEI Archives and Special Collections

00:00 Introduction from Jammu | 02:00 Nilsson begins speaking; description of the first three optical devices | 03:30 Description of the Greeks discovery of the first form of optical device | 05:30 Description of the Romans and the second optical device | 09:00 Discussion of the third image forming device, discovery in the 15th century | 15:00 Discussion of Nilsson’s discovery of a fourth optical device | 21:30 Question regarding the impact of reflection surfaces | 23:00 Question regarding the difference between Nilsson’s device and mirrors | 26:00 Discussion of pinhole lenses and pinhead mirrors | 32:00 Discussion of the impact of pinhole size | 38:00 Discussion of Nilsson’s creation of an actual pinhead mirror | 41:00 Discussion of the implications of a pinhead mirror | 44:00 Question regarding the difference between a concave mirror and a pinhead mirror | 45:30 Discussion of pinhead mirrors and eclipses | 46:00 Question of reflectivity; end of seminar