Monday, November 7, 2016
Monday, October 24, 2016
Peltier-based dehumidifier
This simple apparatus is a particularly interesting way of demonstrating the principle behind the common household dehumidifier:
The big difference however, lies in the way the low temperature (required for the condensation of the water vapour) is achieved.
Saturday, September 10, 2016
Reconditioning a 50+ year old microscope - part 3 - LED conversion
The microscope came with what I believe it must have been the original illumination system:
- a 30 Watt / 110 Volts tungsten bulb (in this case a GE branded one):
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