Hey Ray: Inertia and Apples
The science of motion can often surprise you - and an inertia experiment could have the opposite results from what you think!
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The science of motion can often surprise you - and an inertia experiment could have the opposite results from what you think!
We see icicles hanging down from awnings and roofs, but have you ever seen them form sideways?
The temptation to walk or play on ice during the winter is high, but staying safe is more important. Here's how you can check if it's safe.
Whenever we get a big snowfall, people ask, "Why is snow white?" The answer, as always, is science!
People, things, and places are named for many different reasons, but how did the Arctic and the Antarctic get their names?
Every time snow is in the forecast, three magic words are uttered somewhere in western Pennsylvania!
A White Christmas is nice, but in Pittsburgh, the weather is much more interesting on December 25.
People always love to brag about how much snow they used to get back in the day, but who really has the bragging rights in Pittsburgh?
Have you ever noticed that your breath can both warm and cool things down? There is a science behind that!
Mixing drinks is a time-honored tradition, but did you know that you can use milk to knock the color out of cola?
Lighting a candle seems normal, even easy, but there's a lot of science behind getting the flame lit and keeping it lit!
Have you ever been around a bonfire only to find that the smoke seems to follow you around? Well, there's science behind that!
While some call it pop, and others call it soda, this experiment will be more about popping than about what you call Coca-Cola!
Have you seen the Northern Lights? They're more than just pretty colors; when you see them in Pittsburgh, there's science behind it!
You often hear meteorologists talk about meteorological and astronomical seasons, but what is the difference?
Science can often surprise you! Meteorologist Ray Petelin has a cool inertia experiment where the result may be the opposite of what you think!
It's common to see icicles hanging from roofs or awnings, but can they form sideways? The Barton Family saw just that, and Ray Petelin explains how it may have happened!
When rivers, lakes, and ponds freeze over, it's natural to want to go play on them, but checking them for safety is important. Ray Petelin explains what you need to do to make sure you don't fall through.
When we get large snowfalls, the same question gets asked - why is snow white but when it melts, it's clear? Ray Petelin answers that in a new Hey Ray!
KDKA meteorologist Ray Petelin uses science to debunk some popular conspiracy theories.
Places, people, and things have a variety of reasons for why they are named the way they are, but have you ever thought about why the Arctic and Antarctic have their names? Ray Petelin has and he explains it in a new Hey Ray!
Whenever snow falls in Pittsburgh, you hear the same refrain: milk, bread, and toilet paper, but do we really need to have those in our home? Ray Petelin makes sure you know how to prepare when snow is coming!
While we may dream of a White Christmas in the 412, the weather is often much more interesting than that. Ray Petelin explains in a new Hey Ray!
Every generation when they get older love to brag about how much snow they had to deal with as a kid, but which Pittsburgh generation has the bragging rights? Ray Petelin breaks it down!
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
The new stadium is expected to be completed by June 2027.
Kennywood Boulevard was shut down on Sunday afternoon as police responded to the area during a preplanned march.
An 18-year-old from Indiana County was arrested after he told multiple people he wanted to "shoot up the parade."
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
Griffin Lake won the individual title, taking second in both smallbore and air rifle, to help West Virginia claim the 2026 NCAA rifle championship, the 21st in program history.
U.S. intelligence has circulated to President Trump's inner circle that Iran's late supreme leader had misgivings about his son replacing him, viewing Ayatollah Mojtaba Khamenei as not very bright.
TSA officers faced their first full missed paycheck Friday.
"The president is constantly critical on mail-in voting, and that's ridiculous," Democratic Sen. John Fetterman said Wednesday.
"I think, overall, what's accomplished is remarkable," Sen. John Fetterman told CBS News chief White House correspondent Major Garrett in an interview Wednesday.
About 30 U.S. service members remained hospitalized Tuesday after an Iranian drone strike in Kuwait.
Looking to get free shipping when you make an online purchase, but your order doesn't qualify? Here's how you can change that!
Pennsylvania farmers say economic factors like diesel fuel and fertilizer costs are pushing them to the edge.
The gas price spikes are real and apparent. Here's how Pittsburgh drivers can save money.
The Pennsylvania Treasury will hold a public auction for unclaimed goods on Wednesday, March 25.
Pittsburgh gas prices have spiked in the last week, but how high exactly will they rise in the coming weeks?
That's a wrap for this week on PTL.
The Lincoln Park Performing Arts Center is putting on "All Hands On Deck!"
Boaz checks out an Irish pub on wheels.
Pittsburgh's St. Patrick's Day parade kicks off Saturday morning at 10 a.m. Boaz has a preview of what to expect.
Mia Asano is one of the most talked about electric violinists in the world right now, with millions of fans and hundreds of millions of views. She joined PTL before her show in Whitehall.
Residents in the area of Rochester, Beaver County, say a persistent chemical smell has taken over the air.
More homeowners than ever in Allegheny County are filing appeals to try to lower their property taxes.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
There is cautious optimism on the North Shore that the Pittsburgh Post-Gazette may continue to publish under new ownership.
From freshly washed cars to air conditioning units to entire porches, dust is blanketing one Westmoreland County neighborhood.
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
Fish fries can be a quandary for people with heart and other medical issues.
With a measles outbreak in Pennsylvania, local health experts want to send a message to families.
Cracking down on the price of prescription drugs is a hefty task.
Griffin Lake won the individual title, taking second in both smallbore and air rifle, to help West Virginia claim the 2026 NCAA rifle championship, the 21st in program history.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Noel Acciari scored the go-ahead goal at the 8:03 mark of the third period to lift the Pittsburgh Penguins past the Utah Mammoth 4-3.
Pitt is retaining basketball coach Jeff Capel.
The SEA approved for the lease to PPG Paints Arena to be transferred from the Fenway Sports Group to the Hoffman Family of Companies.
Forbes' latest ranking of the world's richest people has been released, and the list features billionaires with ties to Pittsburgh.
A fire chief says a fire at an Ohio hog farm complex has killed about 6,000 pigs and unleashed a large plume of smoke that could be seen for miles.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
The budget airline Breeze is launching a new nonstop route from Pittsburgh to Myrtle Beach this summer.
The lawsuit accuses Nippon of prioritizing revenue over worker safety.
Hollywood's biggest stars are gearing up for the 98th annual Academy Awards. Here is what to know and how to watch the 2026 Oscars.
A woman was arrested on Sunday for firing multiple shots at the Beverly Hills home of Rihanna, Los Angeles Police Department officials say.
The countdown is on, as the NFL Draft comes to Pittsburgh and America turns 250 years old.
Hillary Knight, Megan Keller and Jack and Quinn Hughes made a surprise appearance during "Heated Rivalry" star Connor Storrie's opening monologue on "SNL."
The medical drama "The Pitt" has certainly put a lot of eyes on Pittsburgh, and while the stories are fiction, the show highlights some very real things about the city.
After Friday's heavy winds, thousands were without power and the utility companies are still working to restore power into Sunday. KDKA's Jessica Riley has the latest on those efforts.
In South Park, if you want to feel like you're stepping into the movie Jurassic Park, the Jurassic Alcove is the place for you. Megan Shinn shares their story in the KD Sunday Spotlight!
Stay on top of local weather with meteorologist Mary Ours’s forecast!
KDKA-TV Sports' Cassidy Wood is joined by the Post-Gazette's Jason Mackey who is live from Pirates Spring Training. They talk about this season's outlook for the Buccos, the upcoming NCAA Tournament, and more Steelers' free agency moves.
Downtown Pittsburgh was feeling extra lucky on Saturday morning. Thousands packed the city streets as the St. Patrick’s Day parade turned Pittsburgh into a sea of green. KDKA’s Jessica Riley takes us into the celebration.
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
