Hey Ray! Using Pi to Properly Buy Pizza
Remember that one time in math class when you said, "I am never going to use this in real life"?
Remember that one time in math class when you said, "I am never going to use this in real life"?
Pittsburgh has a lot of bridges -- 446 of them! With bridges, there are additional things to be alert for in colder weather, such as ice.
Late in winter, people usually start looking for signs that spring is on the way. The most popular is Punxsutawney Phil. The groundhog isn't the only animal though.
We have talked about how each snowfall is different. How snow is created is different, too.
The hardest season to predict weather is winter, mainly because of snow.
The Moon is neat to watch because it has several different looks during its 27 day cycle. It sometimes looks like a fingernail. Other times it looks like half of a pie, and other times it is a bright, shiny disk in the sky.
Often, I get asked, "Why are you called a meteorologist when you study and predict weather, not meteors?"
The term "polar vortex" may sound like a cold version of a "sharknado", but unlike a sharknado, the polar vortex is a real, meteorological thing.
Standing on Earth and looking out, the Earth looks flat from our very limited view. We know the Earth isn't flat, though. Did you know Earth isn't a perfect sphere either?
After a snowfall, we all like to brag about how much fell, so it is important to measure snow properly. While it sounds like an easy task, you must follow some rules.
Unlike a certain popular television show, we know that winter is coming and exactly when it will get here.
You may have heard about the Christmas Star that will become visible in the December sky. What is it, how rare is it, and how do you see this "star"? Meteorologist Ray Petelin has the answers.
When it comes to thunderstorms, can you really tell how far away a storm is by counting the seconds between the flash of lightning and the rumble of thunder? The answer is yes, but there's a little more to it.
KDKA meteorologist Ray Petelin explores the science behind gravity with slow-motion and a slinky.
When the air in your house gets dry, you may notice you get shocked when touching door knobs, and your hair goes crazy when you take off a sweater.
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!
While July's shooting drove some to stay home, others jumped at the chance to attend.
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 Pennsylvania Supreme Court has declined to immediately decide questions related to mail-in ballots in the commonwealth with just weeks remaining before Election Day.
Hurricane Helene caused catastrophic damage from Florida into the Appalachian mountains and killed more than 225 people across multiple states.
The Pennsylvania Supreme Court has declined to immediately decide questions related to mail-in ballots in the commonwealth with just weeks remaining before Election Day.
Hurricane Helene caused catastrophic damage from Florida into the Appalachian mountains and killed more than 225 people across multiple states.
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.
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.