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Fake solar eclipse glasses can damage your eyes — don't be duped, these options are the real deal – Yahoo Canada Shine On

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Turn around, bright eyes: A total eclipse requires total protection: These will help you safely check out this very very special event.

You’ve probably heard the buzz: A solar eclipse will be visible from the U.S. on the afternoon of Monday, April 8, and now’s the time to prepare. Solar eclipses happen up to five times a year, according to NASA. However, where you’re located dictates whether you can get in on the astronomical action. While everyone in the lower 48 states will be able to see at least a partial eclipse, folks in several states will be treated to something much more dramatic: totality, when the moon completely blocks the sun (for more on the eclipse and what you’ll see in your region, read our full eclipse guide.)

A total solar eclipse is a big deal, and it’s understandable to want to get in on the spectacle. But you’ve probably heard that staring at the sun can do serious damage to your eyes — and you heard right. “It is not good to look directly at the sun at any time,” said Aaron Zimmerman, a clinical professor at Ohio State University’s College of Optometry. “The sun is so bright that permanent damage to the retina — the back of the eye — can occur if viewed for too long. And too long can be seconds in duration.”

Your eyes can recover from very short exposures to the sun (like, less than a few seconds), Zimmerman said. But short glimpses of the sun can also add up. “With eclipses lasting two and half hours, a few glimpses may add up to a significant amount of exposure,” he said. And “there is no known cure for eclipse-related vision loss.”

The good news: You don’t have to sit back and twiddle your thumbs while this impressive event is happening above you. Special solar eclipse glasses allow you to check out the action safely. But since knock-offs are inevitable and everywhere, you need to choose carefully.

What are solar eclipse glasses?

Solar eclipse glasses block all but a tiny fraction of the sun’s UV, visible, and infrared light, letting through only a safe amount that produces a comfortably bright view, said Richard Tresch Fienberg, project manager at American Astronomical Society Solar Eclipse Task Force and co-author of Astronomy For Dummies.

“Typically, solar filters let through somewhere between about one part in 100,000 — that’s 0.001% — and one part in 2 million of the sun’s visible light, producing a solar image that’s only about as bright as a full moon,” Feinberg said. “Eclipse glasses are at least 1,000 times darker than even the darkest ordinary sunglasses.”

How to find safe solar eclipse glasses

Your vision is not something you want to mess with, which is why it’s so important to do your homework. “Safe solar viewers are those that comply with the ISO 12312-2 international standard for filters for direct observation of the sun,” Fienberg said.

The only way to truly know if glasses comply with the standard is to have them tested by an accredited lab, but “there are very few labs accredited to test for compliance with ISO 12312-2,” Feinberg said. His organization has put together a list of glasses and viewers that meet this standard.

“If you have eclipse glasses that are safe — that is, that comply with the ISO 12312-2 standard — then you can look through them for as long as you want without risk to your eyes,” Feinberg said. “But, practically speaking, the best way to watch the progress of a partial solar eclipse, or the partial phases of a total solar eclipse, is to take a brief look every few minutes.” The moon moves so slowly across the sun that looking at the eclipse the whole time isn’t all that exciting, he said.

Zimmerman recommended cross-referencing any solar eclipse glasses that you’re considering with the AAS Solar Eclipse Task Force list to make sure they’re from a reputable company. This is important, since there are already companies selling glasses online that claim to be certified, but aren’t. “The eclipse glasses should all have International Organization for Standardization (ISO) 12312-2 labeling somewhere on the glasses. Make sure to find that label,” Zimmerman said.

Overwhelmed? Don’t be. Here are a few options that meet that all-important safety standard.

Amazon

Soluna’s glasses are made in the U.S. by American Paper Optics and are recognized as ISO-compliant by the American Astronomical Society. The glasses have scratch-resistant silver polymer lenses and clearly state that they meet ISO standards. 

$15 at Amazon

Amazon

MKs solar specs come in a 10-pack, so you can pass them out to family and friends. The inside of the glasses clearly states that they’re ISO-certified. The kit even shows you how to create a special lens for your phone’s camera.

$14 at Amazon

Amazon

Want more traditional glasses for your eclipse-viewing party? This three-pack from Eclipsee (get it?) has plastic frames for a sturdier feel. They’re scratch-resistant and one size fits most. 

$9 at Amazon

Amazon

These solar eclipse glasses from Kesseph have a cool eclipse graphic on the side and ISO certification spelled out inside. Crease lines on the sides help you get a snug fit. The 10-pack comes with a phone-camera-lens filter. 

$17 at Amazon

Amazon

Snag a five-pack for your family with Celestron EclipSmart’s solar eclipse glasses. Each has creases to fold for a better fit, and the ISO certification is clearly marked inside.

$15 at Amazon

SEIC

Got kids at home? SEIC’s five pack offers three shades for children, along with two adult versions. The kids’ versions come in a fun orange color. All of these glasses are ISO-certified.

$17 at Amazon

Lunt

Just shopping for a younger crowd? Lunt’s ISO certified junior solar eclipse glasses are designed for smaller faces. They also have an adorable graphic motif that kids will love. 

$13 at Amazon

Give your glasses a tryout before using them

You don’t want to mess with your vision, which is why it’s a good idea to test the glasses before the eclipse. “Try to view your cell phone flashlight or by looking at a bright light in your house,” Zimmerman said. “You should barely be able to see those lights.”

If you’re wearing the right eyewear, you should be able to view the eclipse comfortably, Zimmerman said. “If you cannot comfortably view the stages of the partial eclipse, then your eclipse glasses may not be functioning properly,” he added. If that’s the case, stop looking at the eclipse immediately.

Are you living in the in the path of “totality”? You’ll have a period of about two to three minutes when the sun is fully blocked and you can see the eclipse without eye protection, Zimmerman said. “Once the sun begins to be exposed again, it’s in a partial eclipse and you’ll need to put your eclipse glasses on,” he said.

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Here’s how Helene and other storms dumped a whopping 40 trillion gallons of rain on the South

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More than 40 trillion gallons of rain drenched the Southeast United States in the last week from Hurricane Helene and a run-of-the-mill rainstorm that sloshed in ahead of it — an unheard of amount of water that has stunned experts.

That’s enough to fill the Dallas Cowboys’ stadium 51,000 times, or Lake Tahoe just once. If it was concentrated just on the state of North Carolina that much water would be 3.5 feet deep (more than 1 meter). It’s enough to fill more than 60 million Olympic-size swimming pools.

“That’s an astronomical amount of precipitation,” said Ed Clark, head of the National Oceanic and Atmospheric Administration’s National Water Center in Tuscaloosa, Alabama. “I have not seen something in my 25 years of working at the weather service that is this geographically large of an extent and the sheer volume of water that fell from the sky.”

The flood damage from the rain is apocalyptic, meteorologists said. More than 100 people are dead, according to officials.

Private meteorologist Ryan Maue, a former NOAA chief scientist, calculated the amount of rain, using precipitation measurements made in 2.5-mile-by-2.5 mile grids as measured by satellites and ground observations. He came up with 40 trillion gallons through Sunday for the eastern United States, with 20 trillion gallons of that hitting just Georgia, Tennessee, the Carolinas and Florida from Hurricane Helene.

Clark did the calculations independently and said the 40 trillion gallon figure (151 trillion liters) is about right and, if anything, conservative. Maue said maybe 1 to 2 trillion more gallons of rain had fallen, much if it in Virginia, since his calculations.

Clark, who spends much of his work on issues of shrinking western water supplies, said to put the amount of rain in perspective, it’s more than twice the combined amount of water stored by two key Colorado River basin reservoirs: Lake Powell and Lake Mead.

Several meteorologists said this was a combination of two, maybe three storm systems. Before Helene struck, rain had fallen heavily for days because a low pressure system had “cut off” from the jet stream — which moves weather systems along west to east — and stalled over the Southeast. That funneled plenty of warm water from the Gulf of Mexico. And a storm that fell just short of named status parked along North Carolina’s Atlantic coast, dumping as much as 20 inches of rain, said North Carolina state climatologist Kathie Dello.

Then add Helene, one of the largest storms in the last couple decades and one that held plenty of rain because it was young and moved fast before it hit the Appalachians, said University of Albany hurricane expert Kristen Corbosiero.

“It was not just a perfect storm, but it was a combination of multiple storms that that led to the enormous amount of rain,” Maue said. “That collected at high elevation, we’re talking 3,000 to 6000 feet. And when you drop trillions of gallons on a mountain, that has to go down.”

The fact that these storms hit the mountains made everything worse, and not just because of runoff. The interaction between the mountains and the storm systems wrings more moisture out of the air, Clark, Maue and Corbosiero said.

North Carolina weather officials said their top measurement total was 31.33 inches in the tiny town of Busick. Mount Mitchell also got more than 2 feet of rainfall.

Before 2017’s Hurricane Harvey, “I said to our colleagues, you know, I never thought in my career that we would measure rainfall in feet,” Clark said. “And after Harvey, Florence, the more isolated events in eastern Kentucky, portions of South Dakota. We’re seeing events year in and year out where we are measuring rainfall in feet.”

Storms are getting wetter as the climate change s, said Corbosiero and Dello. A basic law of physics says the air holds nearly 4% more moisture for every degree Fahrenheit warmer (7% for every degree Celsius) and the world has warmed more than 2 degrees (1.2 degrees Celsius) since pre-industrial times.

Corbosiero said meteorologists are vigorously debating how much of Helene is due to worsening climate change and how much is random.

For Dello, the “fingerprints of climate change” were clear.

“We’ve seen tropical storm impacts in western North Carolina. But these storms are wetter and these storms are warmer. And there would have been a time when a tropical storm would have been heading toward North Carolina and would have caused some rain and some damage, but not apocalyptic destruction. ”

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Follow AP’s climate coverage at https://apnews.com/hub/climate

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Follow Seth Borenstein on Twitter at @borenbears

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Associated Press climate and environmental coverage receives support from several private foundations. See more about AP’s climate initiative here. The AP is solely responsible for all content.

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‘Big Sam’: Paleontologists unearth giant skull of Pachyrhinosaurus in Alberta

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It’s a dinosaur that roamed Alberta’s badlands more than 70 million years ago, sporting a big, bumpy, bony head the size of a baby elephant.

On Wednesday, paleontologists near Grande Prairie pulled its 272-kilogram skull from the ground.

They call it “Big Sam.”

The adult Pachyrhinosaurus is the second plant-eating dinosaur to be unearthed from a dense bonebed belonging to a herd that died together on the edge of a valley that now sits 450 kilometres northwest of Edmonton.

It didn’t die alone.

“We have hundreds of juvenile bones in the bonebed, so we know that there are many babies and some adults among all of the big adults,” Emily Bamforth, a paleontologist with the nearby Philip J. Currie Dinosaur Museum, said in an interview on the way to the dig site.

She described the horned Pachyrhinosaurus as “the smaller, older cousin of the triceratops.”

“This species of dinosaur is endemic to the Grand Prairie area, so it’s found here and nowhere else in the world. They are … kind of about the size of an Indian elephant and a rhino,” she added.

The head alone, she said, is about the size of a baby elephant.

The discovery was a long time coming.

The bonebed was first discovered by a high school teacher out for a walk about 50 years ago. It took the teacher a decade to get anyone from southern Alberta to come to take a look.

“At the time, sort of in the ’70s and ’80s, paleontology in northern Alberta was virtually unknown,” said Bamforth.

When paleontogists eventually got to the site, Bamforth said, they learned “it’s actually one of the densest dinosaur bonebeds in North America.”

“It contains about 100 to 300 bones per square metre,” she said.

Paleontologists have been at the site sporadically ever since, combing through bones belonging to turtles, dinosaurs and lizards. Sixteen years ago, they discovered a large skull of an approximately 30-year-old Pachyrhinosaurus, which is now at the museum.

About a year ago, they found the second adult: Big Sam.

Bamforth said both dinosaurs are believed to have been the elders in the herd.

“Their distinguishing feature is that, instead of having a horn on their nose like a triceratops, they had this big, bony bump called a boss. And they have big, bony bumps over their eyes as well,” she said.

“It makes them look a little strange. It’s the one dinosaur that if you find it, it’s the only possible thing it can be.”

The genders of the two adults are unknown.

Bamforth said the extraction was difficult because Big Sam was intertwined in a cluster of about 300 other bones.

The skull was found upside down, “as if the animal was lying on its back,” but was well preserved, she said.

She said the excavation process involved putting plaster on the skull and wooden planks around if for stability. From there, it was lifted out — very carefully — with a crane, and was to be shipped on a trolley to the museum for study.

“I have extracted skulls in the past. This is probably the biggest one I’ve ever done though,” said Bamforth.

“It’s pretty exciting.”

This report by The Canadian Press was first published Sept. 25, 2024.

The Canadian Press. All rights reserved.

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The ancient jar smashed by a 4-year-old is back on display at an Israeli museum after repair

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TEL AVIV, Israel (AP) — A rare Bronze-Era jar accidentally smashed by a 4-year-old visiting a museum was back on display Wednesday after restoration experts were able to carefully piece the artifact back together.

Last month, a family from northern Israel was visiting the museum when their youngest son tipped over the jar, which smashed into pieces.

Alex Geller, the boy’s father, said his son — the youngest of three — is exceptionally curious, and that the moment he heard the crash, “please let that not be my child” was the first thought that raced through his head.

The jar has been on display at the Hecht Museum in Haifa for 35 years. It was one of the only containers of its size and from that period still complete when it was discovered.

The Bronze Age jar is one of many artifacts exhibited out in the open, part of the Hecht Museum’s vision of letting visitors explore history without glass barriers, said Inbal Rivlin, the director of the museum, which is associated with Haifa University in northern Israel.

It was likely used to hold wine or oil, and dates back to between 2200 and 1500 B.C.

Rivlin and the museum decided to turn the moment, which captured international attention, into a teaching moment, inviting the Geller family back for a special visit and hands-on activity to illustrate the restoration process.

Rivlin added that the incident provided a welcome distraction from the ongoing war in Gaza. “Well, he’s just a kid. So I think that somehow it touches the heart of the people in Israel and around the world,“ said Rivlin.

Roee Shafir, a restoration expert at the museum, said the repairs would be fairly simple, as the pieces were from a single, complete jar. Archaeologists often face the more daunting task of sifting through piles of shards from multiple objects and trying to piece them together.

Experts used 3D technology, hi-resolution videos, and special glue to painstakingly reconstruct the large jar.

Less than two weeks after it broke, the jar went back on display at the museum. The gluing process left small hairline cracks, and a few pieces are missing, but the jar’s impressive size remains.

The only noticeable difference in the exhibit was a new sign reading “please don’t touch.”

The Canadian Press. All rights reserved.

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