Hey Ray! Area Vs. Perimeter
I had a bit of a problem. I needed to fit my entire body through a hole in a standard piece of printer paper. While this isn't a real problem, it is a fun way to show how the perimeter and area of something is related.
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I had a bit of a problem. I needed to fit my entire body through a hole in a standard piece of printer paper. While this isn't a real problem, it is a fun way to show how the perimeter and area of something is related.
Sometimes, seemingly real things on the internet turn out to be fake, and sometimes seemingly fake things on the internet turn out to be true.
We have discussed gravity in a couple different experiments. This time, I am going to show you something that may seem almost impossible to do.
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.
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
You certainly know the dark color of pop, but did you know you can use milk to take the color out of it? Ray Petelin shows you the science in a new Hey Ray!
Lighting a candle seems pretty normal, and pretty easy, but sometimes, the way it lights can be anything but normal. Ray Petelin breaks down the science in a new Hey Ray!
Have you ever been sitting around a campfire, get up and move, only to have the smoke you were trying to avoid follow you? Well, as Ray Petelin explains, there's a scientific reason for that!
Whether you call it pop or you call it soda, there's a way to make the can go pop without cracking the tab! Ray Petelin shows you how in a new Hey Ray!
Spots on the Sun's surface can tell us a lot about what is going on with the Solar Cycle. Ray Petelin explains why they're important to watch in a new Hey Ray!
You may have heard us talk about "meteorological seasons" that don't match up with the seasons you typically see on the calendar. While that may sound weird, there is a reason meteorologists use these different dates. Ray Petelin explains in a new Hey Ray!
One viewer wrote in to ask Ray Petelin, why do storms have different names around the world? Well, while it's true they do go by different names around the world, they're still the same kind of storms.
As summer winds down, we start to reach the peak of hurricane season, which leads to a lot of questions of how hurricanes form. Ray Petelin explains in a new Hey Ray.
Some kind of clouds can help predict the weather.
The shooting happened in New Kensington around 3 a.m.
The City of Washington Police Department said that two additional suspects involved in a robbery and shooting late last month are in custody.
The cold temperatures are sticking around through next week, and we could see some snow flurries on Saturday.
Police are searching for a home invasion suspect in Pittsburgh's Squirrel Hill neighborhood.
Two trophy-class antlered white-tailed deer were illegally killed in Forest County, Pennsylvania, the Game Commission said.
A Pittsburgh attorney has filed a petition on behalf of the family of a Colombian man killed in a U.S. military strike on a boat in the Caribbean.
Republican Rep. Brian Fitzpatrick said he was readying a plan that would extend the Affordable Care Act subsidies for two years.
President Trump, facing criticism that he's focused more on international issues than kitchen-table concerns, will rev up his domestic messaging, two GOP sources said.
Authorities say the FBI has arrested a man suspected of placing pipe bombs outside RNC and DNC headquarters on the eve of the Jan. 6, 2021, Capitol riot.
The Trump administration says it will withhold funds for administering SNAP food aid in most Democratic-controlled states starting next week unless they provide data about those receiving the assistance.
Federal funding will finally be available to thousands of families in Pennsylvania to help pay their heating bills.
Electric prices in Pennsylvania are going up next month.
Saturday's grand opening included live music, food, and a meet-and-greet with Lego Master Krist Kay.
Thursday will be the first time many people cook and host Thanksgiving dinner - here's how you can avoid illness and danger.
To much fanfare, the 51st Aldi opened in the Pittsburgh area on Thursday morning.
Heather and David are taking a look back at the week.
The 5th annual PTL Toy Drive is tomorrow!
Downtown Pittsburgh is coming alive with a holiday flair.
For the first time in nearly a quarter century, the Pittsburgh Ballet Theatre is unveiling a brand-new version of "The Nutcracker."
The stars are in town for Steel City Con. Chris DeRose has more about what to expect.
Veterans are outraged after learning about damage done to gravesites at a cemetery in Fayette County.
Artificial intelligence is watching where people park in Pittsburgh.
Drivers who were convicted of infractions years ago are being told to surrender their licenses or file costly appeals because Allegheny County never processed the paperwork.
For most students, the most dangerous part of their day is going to and from school.
Shopping malls are under threat from online shopping and disappearing customers, and many are facing the wrecking ball.
A CDC vaccine panel voted to stop recommending the birth dose of the hepatitis B vaccine.
Western Pennsylvania counties are seeing vaccination rates fall among school-aged children.
The discussion happens every year: shoveling snow can lead to heart attacks, and one AHN cardiologist explains why it's a risk.
A little boy from Delaware County is getting his once-in-a-lifetime wish, just in time for the holidays.
Consumers with the imported pans should throw them away due to the severe health risks posed by lead, the agency warns.
Matt Campbell was hired as Penn State's coach, ending a two-month search by the Nittany Lions to find James Franklin's successor.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The Panthers and Badgers' 2026 game has been canceled, but the schools will meet in Dublin in 2027.
Skenes and Dunne joined a two-day USO Tour and visited sailors abord the USS Gerald R. Ford and the USS Mahan.
It all starts Friday night at the Petersen Events Center in Oakland.
Members of the Newspaper Guild of Pittsburgh voted last week to end their three-year-long walkout.
Norfolk Southern railroad worked with the state of Ohio and Youngstown State University to revive plans for a $20 million first responder training center near the site of the worst derailment in a decade in East Palestine, Ohio.
A report on the future of water in central Ohio warns that industrial demands for water will skyrocket at the same time experts expect farmers will need to regularly irrigate their fields.
The U.S. Department of Energy says it's loaning $1 billion to help finance the restart of the nuclear power plant on Pennsylvania's Three Mile Island.
A new Barnes & Noble is coming to Pittsburgh.
Vanessa Hudgens and former Pittsburgh Pirates player Cole Tucker welcomed their second child.
Christina Aguilera and Liev Schreiber were spotted at Wednesday's Pittsburgh Penguins game at PPG Paints Arena.
Jimmy Cliff, who famously sang about the "many rivers" we all must cross, has died after suffering a seizure and pneumonia, his family say.
Donald Glover, who performs under the moniker Childish Gambino, revealed he suffered a stroke last year, which forced him to cancel his tour.
Fans of Jeff Goldblum are seeing double.
Late on Friday night, the City of Washington Police Department said that two additional suspects wanted for the robbery of the Washington Food Mart were taken into custody.
Stay on top of local weather with meteorologist Mary Ours’s forecast!
Police are searching for a home invasion suspect in Pittsburgh's Squirrel Hill neighborhood.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
Air Force Staff Sgt. Andrew Wolfe is "slowly healing" after last week's shooting in Washington, D.C., West Virginia Gov. Patrick Morrisey said Friday.
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.
West Virginia scored a late touchdown to tie the game and then beat Pitt in overtime to win the 108th Backyard Brawl.
