Hey Ray! Feeling Changes In The Weather
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.
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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.
Have you ever tried to pour something from one coffee cup into another, only to have the liquid seemingly stick to the side of the cup, resulting in a mess? Meteorologist Ray Petelin explains the science that makes that mess can also help us perform a pretty cool trick!
Smog and air quality issues can happen in our area any time of the year. Meteorologist Ray Petelin shows us how some weather patterns and our daily routines can also make the air quality worse.
If you think about it, water can be kind of weird.
Gravity is the force that attracts things toward other things that have mass.
It may be controversial to say in these parts, but it is ridiculous to use relative humidity as an indicator of comfort.
We all know that in the summer, our cars basically turn into ovens.
Last week, we talked about how light pollution makes it harder, if not impossible to see some amazing things in the night sky.
During the daytime, when you look to the sky you can't see stars, or sometimes planets that you can see at night. While daylight is the obvious reason, at night we may not be able to see some of the good stuff because of different kind of light called light pollution.
This is a fun experiment that is easy to do and requires very little set up. I like to call it the "Invisible Extinguisher," since it puts a candle out by using what seems to be an empty glass.
or most of us, television has been around for most of our lives. A click of a remote, and information and entertainment appears before our eyes. A lot goes into making that seemingly easy thing happen, though.
You've certainly seen those large, horizontal clouds in the sky, and while you may think that means tornado - it doesn't. They're either roll clouds or shelf clouds and Ray Petelin explains how they form!
You've certainly heard the sun referred to as a ball of fire in the sky, but is it actually on fire? Ray and Elizabeth Petelin answer that question in an all-new Hey Ray!
If you've ever seen a wheel moving at high speed, it looks like it's moving backward to our eyes, but why? Ray and Elizabeth Petelin are here to explain what that illusion does to your eyes!
Ray and Elizabeth Petelin have a new experiment for you, one that puts a coffee cup in danger but science once again saves the day!
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!
The death of music star Liam Payne has thrust "pink cocaine," sometimes also called Tusi, into the national spotlight. The National Drug Early Warning System predicted its rise back in 2023.
One tree farm in Harmony, Butler County, is already open for the season.
On Saturday, the department announced the arrest of noted holiday curmudgeon, the Grinch.
A couple from Connecticut is charged with allegedly orchestrating a retail theft operation that may have cost Lululemon as much as $1 million.
JD Vance's election as vice president has opened up one of Ohio's U.S. Senate seats for the third time in as many years.
JD Vance's election as vice president has opened up one of Ohio's U.S. Senate seats for the third time in as many years.
Democratic U.S. Rep. Marcy Kaptur's Trump-endorsed rival said he called the veteran Ohio congresswoman to concede defeat in the 2024 election.
Trump's sentencing in the "hush money" case has been delayed by a New York judge.
Sen. JD Vance's election as vice president has opened up one of Ohio's U.S. Senate seats.
Incumbent Sen. Bob Casey on Thursday conceded in the U.S. Senate race in Pennsylvania to Dave McCormick.
Gas prices in Pittsburgh are starting to fall as our travel picks up around Thanksgiving and Christmas.
Want to check the latest product recalls, click here!
The first Von Maur department store in Pennsylvania has opened at South Hills Village.
Spirit Airlines announced that it has filed for Chapter 11 bankruptcy protection and will attempt to reboot itself.
A pizzeria in Pittsburgh's Oakland neighborhood was hit with a consumer alert.
That's a wrap for this week on PTL!
We highlighted more ways the community is giving back to the KDKA-TV Turkey Fund, including a WPIAL food drive!
We learned some simple exercises today from our fitness expert, Aubrey Worek, to keep you motivated and disciplined during the holiday season.
The legendary Nick's Fat City Reunion is taking over Stage AE and bringing Pittsburgh's iconic sound with it. The Clarks are headlining the show. Scott Blasey, the Clarks' lead singer, joined us to give us a musical performance.
Thousands of yinzers are getting ready to descend on downtown Pittsburgh to kick off the holidays. Daisy Jade joined us from Market Square with a preview of the star-studded lineup.
Budget time at City Hall has Pittsburgh City Council scrutinizing Mayor Ed Gainey's proposed spending.
Amid staffing shortages in Pittsburgh EMS, a city program seeks to recruit and train from within the community.
The Ambridge Area School District recently purchased a security system touted for its ability to detect guns and knives.
As tales of scammers swiping tickets from Ticketmaster accounts grow, there are simple yet effective ways to protect your tickets.
With gambling addiction on the rise, thousands of Pennsylvanians have opted to ban themselves from casinos and online sportsbooks.
Whole Foods Market stores in five states sold recalled carrots and celery sticks that could contain E. coli.
Two Pittsburgh men are among the first to use a new device to regain movement following a stroke.
Thawing a turkey one week out from Thanksgiving may seem excessive, but it's necessary.
It is vital to find time for your physical well-being, even if it's just for a little bit. That's what we discussed today for our Wellness Wednesday conversation with Dr. Natalie Gentile.
Lattes and other espresso-based drinks may not be available at some McDonald's restaurants due to a glitch with coffee machines.
Sidney Crosby scored his 600th NHL goal for Pittsburgh but the Penguins lost 6-1 to the Utah Hockey Club.
Isaac Brown rushed for two touchdowns, Tyler Shough threw for two scores and Stanquan Clark had two of Louisville's three interceptions as the Cardinals routed Pittsburgh 37-9 on Saturday.
Crosby is the 21st player in NHL history to reach the 600-goal mark.
Drew Allar passed for 233 yards and a touchdown and rushed for a score and a late fourth-down conversion to help fourth-ranked Penn State fend off Minnesota 26-25 and stay on track for a spot in the College Football Playoff.
CJ Donaldson had two short rushing touchdowns and West Virginia became bowl eligible with a 31-21 victory over UCF.
One tree farm in Harmony, Butler County, is already open for the season.
The hunt is still on for the one-of-a-kind Topps Paul Skenes Rookie Debut Patch Autograph card.
Pittsburgh remains at the forefront of the robotics industry.
Spirit Airlines announced that it has filed for Chapter 11 bankruptcy protection and will attempt to reboot itself.
Giant Eagle has opened a new grocery store in Pittsburgh's Westwood neighborhood.
Mac Miller fans are getting new music in the new year.
The official teaser for "The Pitt" dropped, revealing a premiere date in January.
Former Philadelphia Eagles center Jason Kelce is getting his own late-night television show on ESPN early next year.
Jay Leno was badly injured in Greensburg when the 74-year-old comedian fell down a hill.
Post Malone, Jelly Roll, and Sierra Ferrell are hitting the road for 25 shows across the United States and Canada.
A viewing and salute for fallen Pittsburgh Bureau of Fire Battalion Chief John Walsh was held on Sunday ahead of his funeral on Monday. KDKA-TV's Ricky Sayer reports.
Get the latest weather updates with First Alert Meteorologist Kristin Emery's forecast.
One tree farm in Harmony, Butler County, is already open for the season. KDKA-TV's Chilekasi Adele has the details.
Enjoy this week's episode of Intersections with Lisa Smith.
Today, the viewing for fallen Pittsburgh Bureau of Fire Battalion Chief John Walsh will take place in Scott Township. KDKA's Chilekasi Adele has more.
The Pittsburgh Steelers lost 24-19 to the Cleveland Browns.
The Steelers beat the Ravens 18-16 at Acrisure Stadium in Pittsburgh.
Firefighters battled a massive fire at Riley's Pour House, a popular Irish pub in Carnegie, on Thursday.
Kamala Harris and Donald Trump held rallies in Pittsburgh on the eve of Election Day.
No. 4 Ohio State went to State College and came away with a win.
