JJ pracant - Mužíček (@jjprac) - STEMGeeks

JJ pracant - Mužíček

Domov můj, Pilsen, Czechia

Father, discoverer, traveler, cyclist. I am a man of the Czech lands. The man who looks around ... Jsem pouhý člověk země české, který se rozhlíží kolem sebe...

2 months ago

Nixie tube cable tester / Tester kabelů s digitronem Nixie tube cabel tester / Tester kabelů s digitronem At work, we use multi-core cables to control hydraulic systems. Recently, my colleagues brought me one such cable bundle.…

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3.805 STEM

2 months ago

The magic of old devices / Kouzlo starých přístrojů Well, tell me yourself, would you throw away such gems? Tesla BM556 oscilloscope with a screen with a typical green screen with electrostatic deflection of the electron beam.…

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28.782 STEM

2 months ago

Thermometer Vertex / Teploměr Vertex I recently came across an interesting historical artifact at work. A Vertex thermometer with an adjustable switching contact. This is a precise mercury thermostat, manufactured…

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13.268 STEM

2 months ago

Electrical appliance test device / Přípravek pro test elektrospotřebičů I recently created a simple device at work to test dubious and uncertainly functioning appliances. It consists of a power cord, a panel socket and a powerful light bulb in…

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29.588 STEM

3 months ago

Non-destructive testing / Jak jednoduše na NDT I recently encountered the method of non-destructive material testing, or NDT, at work. My colleagues and I used it to detect a crack in steel. The crack was formed in the weld…

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18.784 STEM