Hey Ray: The return of the disappearing ink prank
It's going to ruin someone's clothes but it does disappear.
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It's going to ruin someone's clothes but it does disappear.
Wouldn't it be nice to disappear? While you can't you can make a special lens to make some invisibility possible!
When you're at the beach, you notice high and low tide but how does that really work?
If you've ever noticed a temperature disparity between rural and urban areas, there's a scientific reason for that!
You know when you're chopping onions and it stinks? We've got the solution to "Stop the stink."
The internet says you can find a difference between full or empty batteries by bouncing them...fact or fiction?
There is a term you probably heard a meteorologist use before when talking about thunderstorm chances.
Ray Petelin doesn't quite understand Snapchat, but he does understand invisible messages!
They look like tornadoes, but they are much different.
Stepping on a LEGO, it hurts! Stepping on multiple LEGOs? Not as much! Wait...really?
Warm nights are coming so how can we keep cool? Ray and Elizabeth Petelin tell you how!
Love birdwatching? Ray and Elizabeth Petelin have tips on how to get them to your backyard!
There is a little science disguised as magic.
Did you ever notice that things seem "lighter" in a swimming pool, even things that sink?
It is grilling season, but before we get cooking, we need to make sure we have enough propane first.
Ever since people looked for ways to predict the weather, one of those ways has been using caterpillars to determine the severity of an impending winter. Ray Petelin explains the theories in a new Hey Ray!
This time of year, it's a common weather question: What is the difference between hurricanes and nor'easters? Ray Petelin is here to explain!
Have you ever noticed that thunder sounds louder at night? Ray Petelin explains why in a new Hey Ray!
With summer heading to its conclusion, hummingbirds are about to migrate south. Ray Petelin shows you how you can prepare to say goodbye to your friends in a new Hey Ray.
It used to be said that video games were bad for you, but they have become the building blocks of some pretty cool things, including KDKA-TV's new studio! Ray Petelin explains in a new Hey Ray!
A viewer noticed a "hole" in the clouds in the sky, and in this edition of Hey Ray, Ray Petelin explains how these form!
When it's hot, you're always looking for a way to cool off, but did you know you can give your heat to other objects? Ray Petelin explains in a new Hey Ray!
Security cameras can pick up some interesting things, and there is one thing that shows up on cameras that Meteorologist Ray Petelin gets asked about a lot, and today he has the answer.
Summer officially begins on Sunday morning in Pittsburgh, and Ray Petelin is here to break down the "summer stats" for you!
You may know that Ray Petelin considers himself a "Bird Nerd." Today, he is going to show you how to get hummingbirds to come over for a close-up visit!