Hey Ray: Slowing Down For ScienceKDKA meteorologist Ray Petelin explores the science behind gravity with slow-motion and a slinky.
Hey Ray! The Science Behind Why Homes Become Drier During Cold WeatherWe are now in the time of year where our furnaces roar back to life, and once the furnaces come on, you may notice the air in our homes becomes much drier.
Hey Ray! More Acorns Falling From Trees This YearThis fall, you may have noticed that acorns have been falling by the bucket load.
Orionids Meteor Shower To Peak OvernightAttention stargazers -- there's a cool sight coming to our area. It's time again for the Orionids meteor shower.
Hey Ray! Explaining What The Summer Solstice MeansToday, at 5:43pm is the Summer Solstice, so what does that really mean?
Hey Ray! 'Albedo' Shows How Light Reflects Off Of Clothing And SurfacesOn really hot days, you may hear a meteorologist tell you to wear light colored clothing. Why is this?
Hey Ray! Creating A Cloud In A BottleKDKA Meteorologist Ray Petelin is back with another home science experiment, here to show you how to create a cloud in a bottle.
Hey Ray! The Science Behind Sea Breezes And Land BreezesWhen you go to the beach, you may notice in the afternoon, how the wind blows off the water toward the land.
Hey Ray! 'Supercooled' Water And How It Can Freeze Right Before Your EyesIf you ever left a bottle of water in a car or outside when temperatures were below freezing, you may have seen it turn from a liquid to ice almost instantly.
Hey Ray! How To Determine How Far Away A Thunderstorm Is From YouCan you really tell how far away a thunderstorm is by counting the seconds between the flash of lightning and the boom of thunder?
Hey Ray! How Pressure, Wind, And Moisture Help Create HailNow that it is officially spring, we are getting into the time of year that features thunderstorms.
Hey Ray! Powerful Pressure And Its ImportanceAtmospheric pressure is a major part of meteorology, and it is always around us.
Hey Ray! The Size Of The Moon And Optical IllusionsHave you ever looked at the moon, as it was rising above the horizon and thought "WOW! The moon looks HUGE", only to have it appear to shrink as it continued to rise into the night sky?
Rats Love To Play Hide And Seek, Scientists FindRats can be taught to play hide and seek -- and they squeal with joy when they win, scientists have found.
Kidsburgh: High School Students Helping Researchers Find Cure For CancerUPMC Hillman Cancer Center is renowned for the treatment it provides.