Hey Ray! Experimenting With Rubber Bands (Part Two)
This week we are going to find out what happens when you add heat to a stretched rubber band, and just to "let the cat out of the bag", it is probably going to be the opposite of what you think!
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This week we are going to find out what happens when you add heat to a stretched rubber band, and just to "let the cat out of the bag", it is probably going to be the opposite of what you think!
Sometimes there is complex science hidden in seemingly simple things. Meteorologist Ray Petelin shows us the hidden heat found in rubber bands, or gum bands as they're known around here.
Pi Day is coming up, so what exactly is Pi? Meteorologist Ray Petelin has a tasty look at this famous number.
The cereal in your cupboard may be magnetic! Meteorologist Ray Petelin shows us why that is.
You may have wondered where a cold draft is coming from, or wanted to convince a teenager to wear a coat on a cold, winter day. This week, Meteorologist Ray Petelin show us how thermal imaging is a great way to see, and show, where heat is escaping, AND tries to use it to convince a teenager to bundle up!
Have you ever noticed snow sparkling during a very cold night or morning? There are some cool processes in action to make that happen. Meteorologist Ray Petelin shows us how "sparkle snow" forms.
Have you ever heard anyone say "It is too cold for snow"? It is an old notion, but can it REALLY be too cold for snow? Meteorologist Ray Petelin has the answer!
I got asked, Hey Ray...Explain upsloping? It is a word meteorologists in the area use a lot during winter because winter is the season where upsloping's impacts are most noticeable.
It is pretty basic knowledge that the Sun is much bigger than the Moon. Meteorologist Ray Petelin explains that they appear the same size in the sky because of some cool, mathematical coincidences.
Did you know your shadow is longer in the winter than in the summer? Meteorologist Ray Petelin explains why.
Light lets us see things, but did you know light can make things disappear, too? Meteorologist Ray Petelin has a simple experiment that shows this in action.
Pittsburgh has seen a lot of different weather on Christmas Day. KDKA Meteorologist Ray Petelin and his daughter Elizabeth take a look back at some of the notable weather to hit Pittsburgh on Christmas Day.
The reason some things float, and others don't is explained by the Archimedes Principle. This week, Meteorologist Ray Petelin shows us how small changes in an object can make a big difference in how buoyant that object is.
Meteorologst Ray Petelin finds out how to spot black ice, how to more safely drive on it, and what to do if you start to slide.
Candles are neat, calming to some and full of science.
Have you ever noticed that thunder sounds louder at night? Ray Petelin explains why in a new Hey Ray!
With summer heading to its conclusion, hummingbirds are about to migrate south. Ray Petelin shows you how you can prepare to say goodbye to your friends in a new Hey Ray.
It used to be said that video games were bad for you, but they have become the building blocks of some pretty cool things, including KDKA-TV's new studio! Ray Petelin explains in a new Hey Ray!
A viewer noticed a "hole" in the clouds in the sky, and in this edition of Hey Ray, Ray Petelin explains how these form!
When it's hot, you're always looking for a way to cool off, but did you know you can give your heat to other objects? Ray Petelin explains in a new Hey Ray!
Security cameras can pick up some interesting things, and there is one thing that shows up on cameras that Meteorologist Ray Petelin gets asked about a lot, and today he has the answer.
Summer officially begins on Sunday morning in Pittsburgh, and Ray Petelin is here to break down the "summer stats" for you!
You may know that Ray Petelin considers himself a "Bird Nerd." Today, he is going to show you how to get hummingbirds to come over for a close-up visit!
Coffee is a morning staple for many, and one viewer's coffee comes with a concert built in. Meteorologist Ray Petelin explains why her coffee starts sounding weird!
Sometimes, you look up to the sky, and you see something weird. Other times you look down from up in the sky and you see something extremely weird! That happened to Edna. Pilot's Glory, Glory of the Pilot, or Pilot's Halo — whatever you want to call it, Ray Petelin has an explanation.
Jonathan Kramer, 21, was arrested and accused of planning an attack against the American people.
A Pittsburgh-area man is facing a terrorism-related charge after the FBI believed he was planning an attack in support of ISIS.
"The Pitt" won the Emmy award for outstanding drama series for a second year in a row.
Los Angeles County District Attorney Nathan Hochman told reporters his office considered the views of Nick's siblings, Jake and Romy, when making the decision.
Kenny Chesney will be joined on the tour by Eric Church, Sheryl Crow and Reylan James.
Sen. John Fetterman's surprise video introducing Sen. Dave McCormick at the Republican Party's midterm convention sparked a strong reaction from Democrats. KDKA political analyst Jon Delano breaks it down.
Sen. John Fetterman's surprise video at the Republican Party's midterm convention sparked a strong reaction from Democrats.
Democratic Sen. John Fetterman appeared in a surprise video at the Republican Party's midterm convention on Wednesday, as he becomes increasingly isolated from his own party.
A Pennsylvania man is facing charges after police said he called Gov. Josh Shapiro's office and threatened to "destroy the Commonwealth."
The Trump administration moved Tuesday to ban imports of Canadian motorcycles, some dairy products and most types of alcohol starting later this month, intensifying the trade war between the two countries.
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
It seems like each week we get a new story or warning about a scam over the phone or on the internet. Here's how you can avoid them.
With proposed 50% tariffs on the table, the cost of new and used cars could increase by thousands in the near future.
A new report tries to calculate how much Pennsylvanians need to earn to live what's considered a comfortable lifestyle.
The store is expected to open sometime next year.
Daisy goes to Shaler North Hills Library to see how the Allegheny County Library Association is celebrating Love Your Library Month!
Clearview Federal Credit Union put Heather and David to the test to see if they could spot the red flags in a fake email.
Daisy heads to Izzazu Salon for a seasonal makeover and to see the latest fall hair trends!
The sixth annual Kelly O's Rocktoberfest takes place on Saturday, Sept. 19, at Ozone Bar and Grill. The special community fundraiser is dedicated to supporting Jax Ramirez and the IPEX Foundation.
Heather and David chat about their weekends in the Weekend Rewind!
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
The Steel City Youth Football League announced disciplinary action following video that captured an on-field brawl.
Misdemeanor and summary charges have been filed against the coaches involved in a youth football brawl in Pittsburgh.
Police departments all around the country say surveillance technologies like cameras, drones, and license plate readers have proved invaluable in tracking and arresting violent criminals.
Video shows youth football coaches from Carlynton and Keystone Oaks fighting on the field during a game over the weekend.
The wait for medical imaging keeps getting longer, leaving some people fraught with anxiety.
A 40-year-old woman died on Saturday from complications associated with measles, the coroner reported.
Four vaccinated people in Pennsylvania have contracted measles, health officials say.
A Pittsburgh-area hospital is seeing a concerning uptick in withdrawals from what many describe as "gas station heroin."
Mental health days aren't just for adults; oftentimes, children need them, too, so here's what parents need to be on the lookout for.
West Virginia assistant football coach Noel Devine has been arrested on a felony strangulation charge.
During his 25 years as head coach, Joe David led Mt. Lebanon to three WPIAL titles
Saturday's game was delayed for more than one hour because of severe storms in the area.
Sunday brought with it a big first win for the Pittsburgh Steelers, as football is back in the Steel City.
The Pirates (75-75) closed out a 4-2 stay in Chicago. They swept the White Sox before dropping two of three against the Cubs.
Many small businesses are still feeling the impact of last week's severe weather.
Pittsburgh leaders and their partners are making a concerted effort to revitalize a North Side business district.
A federally funded Ohio manufacturing program faces potential shutdown after a new audit by the U.S. Department of Commerce's Office of Inspector General.
Gas station giant Buc-ee's has sparked a backlash in Ohio over one of its frequent trademark infringement lawsuits.
The international fashion retailer Zara will open a location in Ross Park Mall in 2028, as the mall continues to thrive.
"The Pitt" won the Emmy award for outstanding drama series for a second year in a row.
Kenny Chesney will be joined on the tour by Eric Church, Sheryl Crow and Reylan James.
Local legend Donnie Iris will headline an early show at Pittsburgh's newest music venue, Citizens Live at The Wylie.
Dolly Parton died in Nashville on Aug. 25 at the age of 80 — a shock to fans around the world who weren't aware of her illness.
A show coming to The Palace Theatre in Greensburg looks to pay tribute to Dolly Parton.
Upwards of 100 employers and job resources will be in one place on Wednesday for people looking for work. The PA CareerLink Awareness Day career fair will be back in Monroeville. KDKA-TV’s Jessica Riley reports.
Stay on top of local weather with First Alert Meteorologist Ron Smiley's forecast!
Pittsburgh's FBI office and the U.S. Attorney's Office have provided more details on the arrest of a Butler County, Pennsylvania, man accused of plotting a deadly attack.
In weight and length, the loads will be the side of a Boeing 777 with its wings tucked in.
Get the latest weather forecast from KDKA-TV First Alert Meteorologist Ron Smiley!
Saturday's game was delayed for more than one hour because of severe storms in the area.
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.
