As clouds start to make their way back into the forecast, here’s a fun experiment that allows you to create your own cloud up close! All you need are a few simple materials: Safety is always the ...

WGAL's Ethan Huston demonstrates exactly what happens when cloud forms. It's a lesson in physics and what's going on in high and low pressure systems. Watch Ethan's Experiment above.What you needIf ...

-Drill a hole in the rubber stopper, so the valve stem can snugly fit inside. -Fit valve stem inside stopper, then connect to bicycle pump, as if you were going to pump up a tire. -Fill bottom of ...