BGO Scintillator irradiated in a LINAC

BGO Scintillator irradiated in a LINAC

Radiactive Fiesta ware

Radiactive Fiesta ware

ATS-20 ( SI4375 DSP,) on 20m

ATS-20 ( SI4375 DSP,) on 20m

Regenerativo 3 válvulas 1t4

Regenerativo 3 válvulas 1t4

Receiver Geloso G4/214 in 20m band

Receiver Geloso G4/214 in 20m band

B551C prescaler on FM band

B551C prescaler on FM band

Listening Vienna new year's concert (2018) in a Philips Annette LD462AB (1956)

Listening Vienna new year's concert (2018) in a Philips Annette LD462AB (1956)

Radiation on a camera-equipped cell phone

Radiation on a camera-equipped cell phone

Testing a FM tuner using the intermediate frequency in a cheap receiver

Testing a FM tuner using the intermediate frequency in a cheap receiver

Receiving DCF77 (77.5 kHz) using a keenwood r600

Receiving DCF77 (77.5 kHz) using a keenwood r600

Controlling induction motor speed using ic ir2111

Controlling induction motor speed using ic ir2111

Sperry gyro compass S3A

Sperry gyro compass S3A

Concierto de año nuevo 1-1-2015 en un receptor National HRO

Concierto de año nuevo 1-1-2015 en un receptor National HRO

Induction heater

Induction heater

Bromine + Aluminium reaction.

Bromine + Aluminium reaction.

Liesegang rings based on a silver nitrate potassium dichromate reaction

Liesegang rings based on a silver nitrate potassium dichromate reaction

vef 202 receiving in 25m radio china in russian

vef 202 receiving in 25m radio china in russian

Galena FM Crystal Receiver

Galena FM Crystal Receiver

Sporadic VHF propagation 29-05-14

Sporadic VHF propagation 29-05-14

7abp7 radar CRT tube

7abp7 radar CRT tube

Mozart's Requiem on a Freudenstadt 9 Saba Radio

Mozart's Requiem on a Freudenstadt 9 Saba Radio

Sporadic E Propagation on VHF band.

Sporadic E Propagation on VHF band.

06 valvula estabilizadora 100 v

06 valvula estabilizadora 100 v

µP2000 trainer based on a 8085 microprocessor

µP2000 trainer based on a 8085 microprocessor

Fractal: Mandelbrot Set

Fractal: Mandelbrot Set

A BPSK31 Beacon based on AD9850 DDS

A BPSK31 Beacon based on AD9850 DDS

An old car spark coil generating about 15KV

An old car spark coil generating about 15KV

Philips Factory Thirties

Philips Factory Thirties

First TV color image videotaped Eisenhower 22 may 1958

First TV color image videotaped Eisenhower 22 may 1958

Listening radio with grass

Listening radio with grass