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8 mm projector conversion to LED

From halogen bulb to LED

What if one could increase the lamp life 100-fold, and avoid all that heat – that would burn the film in case the film would stop running…

Story

3 generations were seated to dig into a number of film rolls from my childhood, to travel back in time some 40 years. We got through 20 minutes of film, when the light bulb came to an end.

The projector – the patient

Fujicacolor 10M

Life expectancy is 25 hours, so having lasted since my childhood – that in itself was a lot of hours than the listed expectation.

Continue reading 8 mm projector conversion to LED

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Light- and soundscape

The light- and soundscape in our lives

There are several doctoral studies made, and study disciplines, into the psychological world of how light and sound affects us. Indoors and outdoors. How these have effect on our mood, well-being, behavior and performance. Performance, as in creativeness,  endurance at work or in studies.

One very interesting area within these studies is Restoration – how well and soon we bounce back from fatigue. Restoration can be measured. How to measure, is in itself a huge field of study. How to go about to standardize measurements with sufficiently acceptable and reliable factors. Continue reading Light- and soundscape