Okay, that’s pretty clever.
Also: lava lamps are one of the few areas where LEDs will never replace incandescent bulbs (because they depend on the heat of the bulb to melt the wax [lava].
I used to have a lava lamp in my office. Very soothing. As such time as I get an office again, I’ll have to look into getting another one.
[h/t +Les Jenkins]
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Sofa King cool!
If you had a really, really, really bright LED with the die bonded to a heatsink, that might be hot enough to melt low-temp wax.
+John Bump I suspect incandescents will operate more cost-effectively for quite some time.