mmmm, would this alternate refractive index also be the reason why the airspace immidiately above hot ground sometimes shimmers? Or is my friends opinion a different concept altogether?
Hey guys, I'm new to these forums so I'm hoping i have posted this question in the appropriate thread.
Recently, i noticed the electric heater in my fish tank had a volume of water around it all times which was rising, it made sense to me that the water surrounding the heater would be rising...