If you have never seen one of these bulbs they are very interesting and useful. OK, no spoilers...
https://www.youtube.com/watch?v=SY93...ature=youtu.be
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If you have never seen one of these bulbs they are very interesting and useful. OK, no spoilers...
https://www.youtube.com/watch?v=SY93...ature=youtu.be
That's really neat!