Of course. I'm just pointing out the inefficiency by noting a minimal modification that would use less power. An even more minimal modification would be to use

Of course. I'm just pointing out the inefficiency by noting a minimal modification that would use less power. An even more minimal modification would be to use those USB-powered "glitter" lava lamps. The idea that 2 kilowatts of heat being dumped into molten wax represents some kind of efficiency optimum is completely absurd.