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Our geek BFF, Jeri Ellsworth, has tickled our exploratory fancies again (and continued to push the “don’t try this at home” envelope) with a chemistry hack of re-doping common ZnS:Cu green glow powder to arrive at her own blue electroluminescent (EL) powder. Nice work, Jer!

Make Electroluminescent (EL) Ink at Home – Re-doping Glow Powder

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor for Boing Boing and WINK Books. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.


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