Non-festive box opening I (Patreon)

Starring: Ludlum Model 12 alpha particle detector / rate meter
And: Coherent laser power meter

Discord;  https://www.patreon.com/settings/apps 

Sampled Y12 vid:  https://www.youtube.com/watch?v=N2pOLpm54sQ 

'Extreme' alpha particle detector variant:  https://www.youtube.com/watch?v=-8GlzUjYazs 

Angle grinder disks:  https://www.ebay.com/itm/133158619576 

Alpha smoke detector  https://www.banggood.com/Ion-Chamber-Metal-Geiger-Counter-Check-Fire-Alarm-Security-System-Source-Smoke-Tester-Sensor-p-1260273.html