Numlock Sunday: Julie Halpert on UV Disinfectant

By Walt Hickey

Welcome to the Numlock Sunday edition. Each week, I'll sit down with an author or a writer behind one of the stories covered in a previous weekday edition for a casual conversation about what they wrote.

Quick heads up: we’re coming up on July, which is when a lot of you folks first became annual subscribers, so just a reminder that charge …

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