Light bulbs under X-ray.
https://diqn32j8nouaz.cloudfront.net...bulb_xrays.jpg
Previously:
https://www.homemadetools.net/forum/...732#post143773
https://www.homemadetools.net/forum/...3663#post99719
https://www.homemadetools.net/forum/...272#post121625
https://www.homemadetools.net/forum/...587#post136265
