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Posted in Crystal scintillators


Stilbene is an organic solid scintillator material used for fast neutron detection. Characteristics: Direct detection of fast neutrons Stilbene is highly sensitive to fast neutrons,…

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Posted in Admin's blog

Po210 + Be Neutron source

Neutrons are cool. Them are the key ingredient of any nuclear chain reaction, the trigger wich split the atom, the “biliard ball” that striking other…

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Posted in DIY

ZX81 repair & mods

Hallo, Fangemeinde alter 8-Bit Rechner!   Ich bin Rico, DL1RIC, und seit kurzem in Besitz eines ZX81 – vertrauensvoll überlassen von Lucian, IZ6NNH. Danke nochmals….

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EL84 Guitar Amplifier

Recently I’ve designed and built a simple yet very nice playing guitar amplifier. I’ve designed it keeping in mind that I don’t wanna distortion: it’s…

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EL84 Holder 3D printed

I’ve made this cute 3D printed holder for EL84 tubes. It’s compatible only with western made tubes not Russians/Eastern block because holes  are 22mm diameter….

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Posted in DIY

12V to 6kV High Voltage transformer

The primay power source in my home made X-Ray machine is an high-voltage high-frequency transformer. This transformer is drived by a Mazilli ZVS circuit and…

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Posted in DIY

X-Ray dental film ECO 30

Hello! I’ve tested this “Dentalfilm ECO30” and “Ergonomix” with my improvised X-Ray machine. Them are self developing film for X-Ray imaging of dental implants etc….

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Posted in DIY

X-Ray machine V1

Finally I’ve made it! Yes, I’ve built an X-Ray machine for non destructive inspection of circuits and objects. The level of radiation generated by this…

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Posted in Crystal scintillators

CsI(Na) cutted and polished at home

June 2020. After some time searching around on the net for a scintillation material that I can shape at home, I’ve found a Dutch guy…

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Posted in Admin's blog

DIY Scintillation probe: 63x63mm NaI(Tl)

Some time ago I’ve won a 63×63 NaI(Tl) crystal for around 80€ at eBay. It is an SDN52 a special crystal designed to be heat…

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