A unique look at the history of units of measurement | Hey Ray
Meteorologist Ray Petelin shows us some other weird ways we measure in this edition of Hey Ray.
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Meteorologist Ray Petelin shows us some other weird ways we measure in this edition of Hey Ray.
Some may wonder if lightning can strike in the same place twice, and if a human can survive multiple strikes.
Remember making paper popper noise makers in school? Well, you might not realize, there's a lot of science behind them!
Pi is a ratio that can be used to measure many different things including someone's hat size.
The Allegheny and Monongahela Rivers can both freeze but one may be more likely than the other.
Using the different sides of aluminum foil has been a discussion having some wonder if it makes a difference.
The sun can make you sneeze if you have ACHOO syndrome.
A fun way to collect money can be done through a swirling motion in a money vortex.
Ice Jams can cause issues like blocking water from moving downstream.
Meteorologist Ray Petelin explains how Sun dogs or rainbow colored spots appear in our sky.
Meteorologist Ray Petelin shows us how snow can be other colors than white.
Winter officially began around 4 a.m. on Saturday, but did you know it's not winter everywhere?
When you think of surfing, you think summer and the ocean, but this time of year, there's surfing in...Lake Erie?
If you're taking a water bottle on your next flight, be careful because it could end up with you being all wet!
You've certainly seen huge parallel clouds in the sky, but what are they and how do they form?
The Moon is spherical like Earth, so why do we only see one side of it? Meteorologist Ray Petelin has the answer.
Heavy winds and windstorms have been in the headlines a lot lately, which has plenty of Pittsburghers asking, "Is it windier today than it ever has been in Pittsburgh?" Ray Petelin explains!
Meteorologist Ray Petelin has a weird experiment today where he shows us how to illuminate fluorescent light bulbs without connecting them to a light fixture!
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!
The first round of the draft is over, and fans are heading home after spending the day exploring Pittsburgh.
A map details the extensive road closures across Downtown Pittsburgh for the 2026 NFL draft.
There are plenty of events happening around the city for the NFL draft.
Here are the Pittsburgh Steelers' pick results from each round of the 2026 NFL draft.
If you're taking public transportation during the NFL draft, here's what you need to know.
Treasurer Stacy Garrity, a Republican, is refusing to approve payments for more than $1 million in security upgrades to the private home of Gov. Josh Shapiro.
In a key Pennsylvania county, many Catholic voters are closely watching the Iran war and President Trump's feud with Pope Leo XIV.
President Trump said he's extending the ceasefire until Iran has submitted a proposal in talks with the U.S. "and discussions are concluded."
Some lawmakers in Harrisburg continue to press for legal cannabis.
A Pennsylvania court has ruled that the state's constitution guarantees a right to abortion.
Some Trader Joe's shoppers will get a payout after a lawsuit alleged that the retailer's customer receipts put shoppers at risk of ID theft.
The rising price of tomatoes is impacting some restaurants around Pittsburgh.
Music lovers tired of paying hundreds of dollars to see big-name acts may be getting some relief.
Pennsylvania Attorney General Dave Sunday is warning sports fans to watch for scams as they buy tickets and merchandise tied to the NBA and NHL playoffs.
A new consumer safety warning is raising concerns about carbon monoxide detectors sold online.
The Lincoln Park Performing Arts Center is bring the famous Broadway musical, Hairspray, to life in Pittsburgh! Our very own Daisy Jade got a sneak peek!
For those who may want to experience the NFL draft in Pittsburgh, but worry it might not be the most family-friendly event, two organizations are teaming up to make sure there is plenty of family fun!
For the first time in 50 years, legendary music producer Rich Engler is opening up his vault that has guitars from some of the biggest musicians in history, and is auctioning them off! Boaz Frankel spoke with him about why he's doing this now.
Team PTL's Daisy Jade caught up with Pittsburgh's own DJ Bonics who is playing a big role in all the draft festivities at Point State Park!
Heather and David are closing out the week from Market Square and they're taking a look back on what was a historic night in Pittsburgh as the NFL draft officially began!
After suffering roof damage from this year's brutal winter, a Pittsburgh family says their insurance company has left them with even bigger problems.
The Downtown Neighbors Alliance's board voted Thursday to dissolve the organization.
The federal government will begin the long-awaited cleanup of a nuclear waste dump outside Apollo in Armstrong County.
Short-term rental owners in Washington County could soon face new scrutiny.
Allegheny County Common Pleas Judge Edward Borkowski refused to drop an attempted homicide charge against Jasper Hilliard.
Shaler Township has installed new AEDs in 10 of its parks.
Health care workers are preparing to care for anyone who will need treatment.
UPMC and AHN say they've been collaborating about getting ready for an event of this magnitude.
When doctors found out Ainsley Flynn had viral myocarditis, they leaped into action to save her. Now, Flynn is giving back.
UPMC Hillman Cancer Center is exploring everything radiation treatment can treat, and the success has been life-changing for people.
The Pittsburgh Steelers selected Arizona State offensive lineman Max Iheanachor with the 21st pick in the 2026 NFL draft.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Jacob deGrom had his 62nd career 10-strikeout game and the Texas Rangers hit two homers in a 6-1 win over the Pittsburgh Pirates.
The Pittsburgh Steelers selected Arizona State offensive tackle Max Iheanachor in the first round of the 2026 NFL draft in Pittsburgh.
Here are the Pittsburgh Steelers' pick results from each round of the 2026 NFL draft.
Some Trader Joe's shoppers will get a payout after a lawsuit alleged that the retailer's customer receipts put shoppers at risk of ID theft.
North Side business owners were left frustrated after unauthorized NFL draft no-parking signs appeared on Western Avenue.
Music lovers tired of paying hundreds of dollars to see big-name acts may be getting some relief.
The Pittsburgh Post-Gazette will stay open after it was sold to a nonprofit.
West Virginia resident Rebecca Michalski struggles with soaring electricity bills that exceed her income.
Gaffigan announced a continuation of his "Everything Is Wonderful!" Tour and he'll stop in Pittsburgh in November.
Western Pennsylvania natives Bret Michaels and KELS talked about their upcoming free performances at the NFL draft.
Music lovers tired of paying hundreds of dollars to see big-name acts may be getting some relief.
The trailer is out for the Pittsburgh-filmed "Hershey" biopic.
The Pitt star Noah Wyle is the newest name on the Hollywood Walk of Fame, and the Pittsburgh-based show is a big reason why.
KDKA-TV Meteorologist Trey Fulbright has the latest Pittsburgh weather ahead of the second day of the 2026 NFL draft.
As fans descend on Pittsburgh once again for the NFL draft, Pittsburgh Regional Transit is still seeing a steady stream of passengers. KDKA's Jessica Riley has the latest.
The Lincoln Park Performing Arts Center is bring the famous Broadway musical, Hairspray, to life in Pittsburgh! Our very own Daisy Jade got a sneak peek!
For those who may want to experience the NFL draft in Pittsburgh, but worry it might not be the most family-friendly event, two organizations are teaming up to make sure there is plenty of family fun!
For the first time in 50 years, legendary music producer Rich Engler is opening up his vault that has guitars from some of the biggest musicians in history, and is auctioning them off! Boaz Frankel spoke with him about why he's doing this now.
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.
