A candle appears to be underwater by superimposing the transmitted light from the beaker with the reflected light from a candle. A pane of glass between the candle and the beaker acts as both the ...

as boiling water can cause the glass to shatter. Alternatively, you can place the candle in the freezer, which causes the wax to shrink, making it much easier to peel out of the jar. Then ...

The trick was not to drop the glass balls ... pressure to drop enough for the pump to continue providing fresh water. The candle flame started fire about 12:20 PM. Unit one reached full shutdown ...