Hey Ray: Invisibility lens
Wouldn't it be nice to disappear? While you can't you can make a special lens to make some invisibility possible!
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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.
We are getting to the time of year when sunscreen becomes even more important.
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!
Rileigh Wingfield, 15, was killed in an ATV crash in Elkins, West Virginia.
Jacob Hemlick's body was pulled from the Berlin Reservoir in Portage County, Ohio, authorities said.
"The president is constantly critical on mail-in voting, and that's ridiculous," Democratic Sen. John Fetterman said Wednesday.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
Another man has been charged in connection with a murder-for-hire plot that ended with a deadly shooting in the parking lot of a Westmoreland County shopping center in 2022.
"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.
Defense Secretary Pete Hegseth said Tuesday that it would be the "most intense day" of strikes against Iran so far.
President Trump told CBS News the U.S. war with Iran is "very complete," and said the U.S. "could do a lot" about the Strait of Hormuz.
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?
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
An investigation into fraudulent vehicle inspections has led to dozens of charges against a Pittsburgh-area auto shop owner and his mechanic, police said.
The iconic Pittsburgh St. Patrick's Day Parade is this weekend, and if you're looking to swap out the black and gold for green, Dr. Tom Petrone, owner of the Irish Design Center joins us to show us what he's got to offer!
Our friend Dr. Natalie Gentile, the co-founder of Direct Care Physicians of Pittsburgh and Rebel Wellness is back and she's showing us a quick, 10-minute at-home workout that will boost your energy and help you get moving!
Daisy Jade is at the real-life hospital that was the inspiration for The Pitt - Allegheny General Hospital, where she's learning more about how the show represents their jobs, and an upcoming fundraiser that will benefit so many things!
The stars of the Chicago Broadway National Tour are sticking around, and they're finding out if Heather and Ron were paying attention to the details of the show!
Heather and Ron are joined in studio by Ellie Roddy and Max Cervantes, two of the stars of the Chicago Broadway National Tour, which is making its latest stop in Pittsburgh!
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.
Former patients of Dr. Carl Medgaus are running out of time to try to recover money for unfinished dental work.
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.
Here is a Pittsburgh Steelers free agency tracker for the 2026 offseason.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Heyward's new contract is said to be worth more than $32 million over two years with the first year of the deal guaranteed.
Damarco Minor followed his own miss to score with 0.7 seconds left and give 15th-seeded Pittsburgh a 64-63 win over 10-seed Stanford in the opening game of the ACC Tournament on Tuesday.
Jackson Blake converted on the decisive shootout goal and the Carolina Hurricanes recovered after relinquishing a two-goal lead late in regulation to beat the Pittsburgh Penguins 5-4 on Tuesday night.
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.
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.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
Optimism seems to be taking off at the Arnold Palmer Regional Airport, as the airport authority not only closes in on finishing a new terminal but also potentially lands another budget airline to call Latrobe home. KDKA-TV's Chris DeRose reports.
Mayor Corey O'Connor's administration has plans to announce that steps are needed to avoid a budget crisis in Pittsburgh.
It's been nearly two years since five people died in a house fire in the city of Jeannette, Westmoreland County. There were eight people — two parents and their six small children — inside the home on March 20, 2024, when flames broke out. Erika Stanish reports.
It's been nearly two years since five people died in a house fire in the city of Jeannette, Westmoreland County. There were eight people — two parents and their six small children — inside the home on March 20, 2024, when flames broke out. Erika Stanish reports.
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.
