Glowing under blacklightI’ve heard that in the 1960’s, blacklight posters were all the rage.  Glowing things are cool!  How does blacklight actually cause things to glow?  “Blacklight” is an invisible form of light that operates in the ultraviolet range.  Because light...

What’s hiding in that pallet wall?Another embarrassing but true story:  Once upon a time in New Orleans, I rehabbed a house that was gutted post-Katrina.  In a neighborhood built in the 1950’s, I took down a few walls and set about...