Hey Ray! Conductors, Copper, Coils, And Candles
Train conductors and orchestra conductors are great, but we are going to learn more about heat conductors.
Train conductors and orchestra conductors are great, but we are going to learn more about heat conductors.
Math is a great prediction tool. You can even used grids disguised as card tricks to predict where a card will be. This week, Meteorologist Ray Petelin shows us what he calls a "Raymix" of a math-based card magic trick he showed us in one of the first Hey Ray segments.
After tornadoes hit our area, I get some very good questions, and hear some untrue myths. One of them is the misconception that tornadoes don't form near mountains, valleys or lakes.
Water and electricity should never mix. I think everyone knows that. In this experiment, though, we are going to do an experiment with static electricity and water. All we need is a balloon, a gentle stream of water, and some hair.
Many people love the fall because of the colors foliage becomes before they drop their leaves.
When you hear the word halo, you may think of an angel. The topic here is halos, but these ones are in the sky, and something I get asked about a lot.
I have a new problem this week. I need to get a round coaster through a square hole without ripping the paper.
I had a bit of a problem. I needed to fit my entire body through a hole in a standard piece of printer paper. While this isn't a real problem, it is a fun way to show how the perimeter and area of something is related.
Sometimes, seemingly real things on the internet turn out to be fake, and sometimes seemingly fake things on the internet turn out to be true.
We have discussed gravity in a couple different experiments. This time, I am going to show you something that may seem almost impossible to do.
The atmosphere has weight. The near average weight is 14.7 pounds per square inch. That means every square inch of your body, on average, has 14.7 pounds of atmosphere pushing on it.
Shadows are pretty much an everyday or every night occurrence. Since light travels in a straight line, when something gets in the way of that path, it creates an absence of light, or a shadow.
Have you ever had to get an MRI? That is the loud machine with a very powerful magnet that can make images of the inside of your body.
The night sky is full of amazing things during the summer! One thing that peaks in August is the Perseid Meteor Shower, and it can be one of the biggest celestial highlights in the summer.
When people refer to heat lightning, they are usually talking about seeing lightning, but not hearing thunder in the evening or nighttime, usually during the summer months.
You may have heard that Earth is getting a mini-moon and that seems pretty cool, but will you even be able to see it? Ray Petelin is here to explain!
A viewer wrote in to ask Ray - "Why can we sometimes see the moon during the day?" The answer may not be what you think!
Withe colder air on the horizon, testing your home for Radon is very important. Ray and Elizabeth Petelin explain in an all-new Hey Ray!
We always perceive the sun to be yellow, but is it actually yellow? Ray and Elizabeth Petelin explore this question!
We've all put popcorn on the stove or in the microwave, but what is the science behind those popping kernels? Ray and Elizabeth Petelin are popping in with some science!
Western Pennsylvania is home to plenty of creeks and rivers, so how can you distinguish between the two? Ray and Elizabeth Petelin are here to explain!
One viewer asks: Why can they only hear the train whistle at Fallingwater when it's about to rain? Ray Petelin investigates this mystery in an all-new Hey Ray!
Have you ever heard that airplanes can't fly when it gets too hot? Meteorologist Ray Petelin explains why in today's Hey Ray.
If you've been on a walk or a hike on a hot summer's day, you've no doubt noticed a difference in heat and humidity from low vegetation to high vegetation. Ray Petelin explains the science behind "corn sweat."
If we use some markers, a plastic bag, and some water - we can make magic! Ray and Elizabeth Petelin have a cool experiment in an all-new Hey Ray!
A coal miner has died nearly a week after being injured on the job in northern West Virginia.
Billionaire Elon Musk also appeared with Trump on stage, calling the November election "the most important of our lifetime."
Former President Donald Trump returned to Butler, Pennsylvania, on Oct. 5 for a rally.
The Heinz History Center is offering free admission to kids this fall.
Christopher Ciccone spent most of his life in Madonna's shadow - as her back-up dancer, personal assistant, dresser, decorator, art director and tour director.
Billionaire Elon Musk also appeared with Trump on stage, calling the November election "the most important of our lifetime."
Former President Donald Trump is returning to the Butler Farm Show grounds for the first time since an assassination attempt in July. KDKA-TV has team coverage.
Democratic U.S. Sen. Bob Casey of Pennsylvania and Republican challenger David McCormick have held the first debate in their race for a swing-state seat.
Trump returned Saturday to Butler, Pennsylvania, for a rally at the site of the first assassination attempt against him.
Former President Barack Obama will be in Pittsburgh next Thursday to campaign for Vice President Kamala Harris.
Sheetz lost to rival Wawa in a convenience store customer satisfaction survey.
Want to check the latest product recalls, click here!
Skilled nursing centers in Western Pennsylvania are in jeopardy.
When it comes to imported goods at local stores amid the port strike, experts say now is not the time to panic buy.
Some are making their lists and checking them twice. We talked about some helpful holiday shopping strategies ahead of the holiday season.
That's a wrap for this week on PTL!
We have our first pictures of our new PTL puppy that will be raised to be a service dog for Canine Companions.
KDKA's own Women of Steel Cassidy Wood and Susie Cool are out with a new episode of Every Blade of Grass with Cool & Cass on YouTube. They're breaking down the Steelers and Cowboys matchup.
The Pittsburgh Gaming Expo is back at the Monroeville Convention Center. PTL's Daisy Jade checks out some of the classic games sure to spark some nostalgia.
PTL's Katie O'Malley heads to the mountains to get a preview of Seven Springs AutumnFest. They have a lot of activities planned, including axe throwing. Plus, an early look ahead to ski and snowboarding season.
Skilled nursing centers in Western Pennsylvania are in jeopardy.
A man from Beaver Falls said a check washing scam almost cost him nearly $2,000.
A rise in counterfeit airbags has inspired a new campaign for consumers.
Emergency medical services operations across the state have been in crisis
Temperatures are rising over pickleball in Cranberry Township.
A veteran and mental health advocate is trekking across the country without shoes to accomplish a feat never done before.
The Allegheny County Health Department recently released new numbers on how many kids in the county have lead poisoning.
Skilled nursing centers in Western Pennsylvania are in jeopardy.
UPMC is set to take over the operations of several MedExpress locations.
A federal lawsuit accuses UPMC of holding a monopoly over workers, and now the Department of Justice is involved.
Jahiem White ran for 158 yards and a touchdown, and West Virginia rolled past Oklahoma State 38-14.
Eli Holstein threw three touchdowns and rushed for another as Pittsburgh beat North Carolina 34-24 Saturday.
Drew Allar threw for 237 yards with a touchdown and ran for another score to lead No. 7 Penn State to a 27-11 win over UCLA.
Week 6 of Pennsylvania high school football is here.
Shortstop Ryan Cox is not your typical baseball player, in large part, because this isn't your typical baseball game.
A coal miner has died nearly a week after being injured on the job in northern West Virginia.
Sheetz lost to rival Wawa in a convenience store customer satisfaction survey.
Skilled nursing centers in Western Pennsylvania are in jeopardy.
When it comes to imported goods at local stores amid the port strike, experts say now is not the time to panic buy.
The Eat'n Park in Bridgeville is looking to fill dozens of positions before reopening in the coming weeks.
Christopher Ciccone spent most of his life in Madonna's shadow - as her back-up dancer, personal assistant, dresser, decorator, art director and tour director.
John Amos was best known for his roles in "Roots" and the 1970s sitcom "Good Times."
Sony's PlayStation Network went down, frustrating gamers around the world who complain they weren't able to sign in to their accounts.
There are five new stadium dates for next summer in Toronto, Chicago, New Jersey, Los Angeles and Mexico City.
Kris Kristofferson, a songwriter who became a country star and A-list actor, died at his home on Maui surrounded by family on Saturday, a spokesperson said in an statement.
A veteran and mental health advocate is trekking across the country without shoes to accomplish a feat never done before. KDKA-TV's Alexandra Todd has more.
KDKA-TV's Jon Delano talks to Michael Johnson, the author of "Fixing Congress."
Get the latest weather updates with First Alert Meteorologist Trey Fulbright's forecast.
This week's edition of Intersections with Lisa Smith.
KDKA-TV's Ricky Sayer reports.
Former President Donald Trump returned to Butler, Pennsylvania, on Oct. 5 for a rally.
What will you be for Halloween? Here are some of your favorite KDKA anchors and reporters in their costumes to give you inspiration.
Ahoy Team PTL! For the third year in a row, we kicked off the KDKA-TV Turkey Fund with the PTL Gateway Clipper Cruise. The weather may have taken a stormy turn, but we made the most of it all to support a great cause.
The course underwent extensive renovations ahead of next June's tournament.
Pitt came back from a 10-point deficit in the 4th quarter.