When you invest in a quality candle, you expect to get good use out of it. Great fragrance, a satisfying burn, and an even ...

Once a candle tunnel develops, it may seem near impossible to fix, but years (and a lot of wasted wax) later, we’ve discovered that the answer was sitting in your kitchen cupboard all along.

Using the heat from a candle he found he could generate about 200mV with it, at about 3.7mW. The RCA tunnel diode inverter circuit The resulting circuit produces a 15kHz oscillation with 4.5v ...