Скачать или смотреть My vintage vacuum tubes are radio-active!

I didn't know but my beautiful vintage power vacuum tubes have uranium glass in them! But how radio active are they? Which is a great excuse to look at Bob's retro Geiger counter collection to find out.

NileRed Uranium Glass Video:    • Making uranium glass  
Applied Science video on Alpha Radiation:    • Alpha radiation makes sparks, detects smok...  
Mr. Carlson powers up one of the same tube as shown here:    • Testing A Large Tube Used For Heating Peop...  

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