2021-10-26@18:52:43 GMT
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News about Ray Petelin:

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    PITTSBURGH (KDKA) — Water and electricity should never mix. I think everyone knows that.  In this experiment, though, we are going to do an experiment with static electricity and water. All we need is a balloon, a gentle stream of water, and some hair. (Photo Credit: KDKA Weather Center) READ MORE: 6 Tornadoes Tear Through...
    PITTSBURGH (KDKA) — Many people love the fall because of the colors foliage becomes before they drop their leaves. (Photo Credit: Ray Petelin) READ MORE: Driver Taken To Hospital After Crashing Car Over Embankment Along Rt. 51 In Fayette CountyThese colors are a nice change, since most of the time we see the...
    PITTSBURGH (KDKA) — Have you ever poured something from one cup into another only to have the liquid seemingly stick to the side, making a big mess? You have some pretty cool science to blame for that! (Photo Credit: Ray Petelin) Moving fluids have a tendency to stay attached to curved surfaces. This is called...
    PITTSBURGH (KDKA) — If you think about it, water can be kind of weird. It can be a liquid, a solid or a gas. It contracts when it is cooled to a certain point, then starts to expand as it gets closer to freezing. READ MORE: Pa. State Police Investigating Deadly Crash In Lawrence Co....
    PITTSBURGH (KDKA) — Gravity is the force that attracts things toward other things that have mass. More simply, it is the force that draws things on Earth toward the center of Earth. READ MORE: Pittsburgh Weather: Chances Of Showers, Storms, Severe Weather When you feel something’s weight, you are actually feeling gravity’s downward force on...
    PITTSBURGH (KDKA) — Last week, we talked about how light pollution makes it harder, if not impossible to see some amazing things in the night sky. Seeing things in Space is nice, but light’s impact on life seems like an important part of this. READ MORE: Arrest Warrant Issued For 26-Year-Old Man Wanted For Cambria Co....
    PITTSBURGH (KDKA) — 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. Fire needs oxygen to be in contact with what it is burning. Plain...
    PITTSBURGH (KDKA) — We have done a lot of experiments and covered a lot of topics. This time, we are going to play around with density, and use its ingredients to make some weird science. We have talked about density before. READ MORE: Whitehall Borough Police Chief Keith Henderson Retires Remember, if an object is...
    PITTSBURGH (KDKA) — When the air in your house gets dry, you may notice you get shocked when touching door knobs, and your hair goes crazy when you take off a sweater. While you may know this is caused by static, do you know how static does this? When the air is humid, natural, electrical...
    By: KDKA-TV News Staff PITTSBURGH (KDKA) — A severe thunderstorm warning is in effect for the Pittsburgh area. The National Weather Service Pittsburgh said that Pittsburgh, Monroeville, Bethel Park, Butler, Oil City and Grover City were among the affected areas. It will stay in effect until around 3:30 p.m. KDKA’s Ray Petelin says...
    PITTSBURGH (KDKA) — We are entering snow season, and almost every year on social media, someone posts a video of snow that doesn’t turn to water when it melts after being put up to a flame. This gets followed up, often times, by conspiracy theories that the snow is fake or “modified”. The video can...
    PITTSBURGH (KDKA) — This fall, you may have noticed that acorns have been falling by the bucket load. Some people look to what nature is doing now, to try to figure out what the weather will be in the future, so are these abundant acorns acting like crystal balls to look into the upcoming winter?...
    PITTSBURGH (KDKA) — Whether you say “slippy” or “slippery,” we are getting into the time of year where slipping and sliding occur. Often, you think of ice or snow as the main cause of slipping. Now, leaves are falling, and leaves left on the ground can make for a slick set up. (Photo Credit: Ray...
    PITTSBURGH (KDKA) — Have you ever had a helium balloon in your car and notice that its movements are much different than you would expect? If you never noticed, it is certainly something to see. It also has a lot of science behind it. Much of this science we have talked about in Hey Ray...
    PITTSBURGH (KDKA) — When I was younger, my twin brother made a book cover for his physics book. On that cover, he wrote “Book Of Magic” on it. Mike was sort of right. Physics and magic can go hand in hand. At least with some creative theatrics, you can make people believe physics is magic. In the...
    A Pessimist would say this glass is half empty, while an optimist would say that same glass is half full. In the science world, though, scientists would say that glass is full! (Photo Credit: Ray Petelin) The thing about containers is they are full, even when they look empty. They are full of air molecules....
    PITTSBURGH (KDKA) — Did you know it is harder for the air to warm up on really humid days? While it still feels hot, the moisture in the air means, first means there are more “things” to warm up. There is more to it, though. For instance, if you have ever boiled water, you know...
    PITTSBURGH (KDKA) — Weather-wise, one of the things the summer of 2020 will be known for is the heat and dry weather, leaving burnt lawns around the region. Brown lawns are almost everywhere, and could really use any drop of rain that the atmosphere can muster. There is an old weather saying “drought breeds...
    PITTSBURGH (KDKA) – A cold front is expected to bring storms on Friday evening, putting an end to our stretch of 90-degree days. KDKA Meteorologist Ray Petelin says it’s been very hot and overall dry, which has caused the ground to bake and most of the region to become “abnormally dry” with a moderate...
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