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Skill of the Week: Open a Can Without a Can Opener


img alt=”Open can without opener illustration.” class=”aligncenter wp-image-106942″ decoding=”async” fetchpriority=”high” height=”auto” sizes=”(max-width: 750px) 100vw, 750px” src=”https://content.artofmanliness.com/uploads/2019/10/Open-Can-Without-Can-Opener-1.jpg” srcset=”https://content.artofmanliness.com/uploads/2019/10/Open-Can-Without-Can-Opener-1.jpg 1200w, https://content.artofmanliness.com/uploads/2019/10/Open-Can-Without-Can-Opener-1-768×1328.jpg 768w, https://content.artofmanliness.com/uploads/2019/10/Open-Can-Without-Can-Opener-1-320×553.jpg 320w, https://content.artofmanliness.com/uploads/2019/10/Open-Can-Without-Can-Opener-1-640×1107.jpg 640w” style=” display: block; margin-right: auto; margin-left: auto;” width=”540″/>

A man’s ability to adapt to any situation is an important part of his masculinity. We’ll be republishing an illustrated guide from our archive every Sunday so that you can improve your manly knowledge week by week.

Remember the scene from The Road, where the boy and father find a perfectly stocked, untouched survival bunker? They happily gawk as they take crate after can of canned goods. It’s an oasis in otherwise desolate and apocalyptic terrain. The two open the cans using a can opener and prepare a meal of canned peaches and pears. “They licked their spoons, tipped their bowls and drunk the sweet syrup.”

What if the father and son didn’t find a can opener in their supplies? As long as they were aware of some other opening methods, it was not a problem.

Cans of food, despite their appearance, are actually made from a thin layer of aluminum. It’s easy to exploit the cans’ weakness using a variety tools. If you ever find yourself without a jar opener, here are three easy ways to open your food.

Ted Slampyak is the illustrator.

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Baller Awards

‘Bogotá Story’ Takes Top Prize at Palm Springs International ShortFest

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PALM SPRINGS, CA (June 23, 2024) – The 2024 Palm Springs International ShortFest announced its Festival juried and audience award winners as part of the Awards Brunch at the Renaissance Hotel Palm Springs. Awards and cash prizes worth $25,000 including five Academy Award® qualifying awards were presented to the winners selected from the 310 short […]

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By: Joey Moser
Title: ‘Bogotá Story’ Takes Top Prize at Palm Springs International ShortFest
Sourced From: www.awardsdaily.com/2024/06/psis-2024-winners/
Published Date: Sun, 23 Jun 2024 20:47:53 +0000

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Frontier Adventure

Astronomers See a Black Hole Wake Up from its Ancient Slumber

Four years ago, the supermassive black hole hidden in the heart of galaxy SDSS1335+0728 roared awake and announced its presence with a blast of radiation. It marks the first time astronomers witnessed a sudden activation of a supermassive black hole in real time.

“Imagine you’ve been observing a distant galaxy for years, and it always seemed calm and inactive,” said Paula Sánchez Sáez, an astronomer at ESO in Germany and lead author of the study of this object. “Suddenly, its [core] starts showing dramatic changes in brightness, unlike any typical events we’ve seen before.”

This is what happened to SDSS1335+0728, which is now officially classified as having an active galactic nucleus (AGN). It experienced what’s called a “nuclear transient.” Essentially, that means the galaxy now has a very bright compact region. However, it wasn’t always that bright and astronomers want to understand what caused it to wake up.

This artist’s impression shows two stages in the formation of a disc of gas and dust around the massive black hole at the center of the galaxy SDSS1335+0728. The core of this galaxy lit up in 2019 and keeps brightening today — the first time astronomers observed a massive black hole become active as it happened. Credit: ESO/M. Kornmesser

Looking for Transients in all the Right Places

The unusual brightness variations were detected by the Zwicky Transient Facility in California, which gives constant, real-time alerts about such things as transient flaring and brightening in the hearts of galaxies like SDSS1335+0728. In addition, several other facilities observed the variations, too, and brightness changes were found in archival data from several other observatories.

The sudden brightenings could be due to many things, including the cannibalization of stars and clouds of gas that stray too near supermassive black holes. How often they brighten and how a quiescent galaxy nucleus changes to an active one are topics that astronomers are using such surveys and observations to understand. They’re looking not just at distant galaxies, but activity within the neighborhood of our own galaxy’s supermassive black hole, too.

Galaxy and Its Supermassive Black Hole

Most galaxies have stupendously massive black holes at their hearts. They typically sequester away at least a hundred thousand times the mass of the Sun (sometimes more). It’s all trapped by gravity and nothing ever escapes, not even light. “These giant monsters usually are sleeping and not directly visible,” said study co-author Claudio Ricci, from Chile’s Diego Portales University. “In the case of SDSS1335+0728, we were able to observe the awakening of the massive black hole, [which] suddenly started to feast on gas available in its surroundings, becoming very bright.”

A black hole itself doesn’t emit any light at all. Instead, it sucks everything in, including light. However, the region around the black hole—called the accretion disk—is a pretty active place. It’s where material trapped by the intense gravitational pull of the black hole swirls around like water going down a drain. All that stuff—mostly gas, some dust—is threaded through with magnetic fields. Friction between accretions of the material heats it up. And, that act of heating gives off radiation. If there’s enough of it, we see light being given off. Intense active regions emit x-rays, which indicate the level of activity.

Gravity’s Slice-and-dice Activity

There’s also something called tidal disruption, which happens when something like a star or a cloud of gas gets trapped in the gravitational field. These things take time—on the order of years to occur. When they happen, the gravitational pull of the black hole eventually rips the star or cloud apart. That also gives off radiation. In fact, a very slow-motion tidal disruption event may be occurring at the heart of SDSS1335+0728. If so, it could be one of the longest and dimmest ones ever seen.

Regardless of what’s causing the brightening, the ultimate fate of some of the material is to end up inside the black hole. The rest of it gets superheated in the accretion disk and signals its fate through increased radiation.

Black Hole Growth and a Wake-up Call

The supermassive black holes in the hearts of galaxies grow from smaller ones to larger ones through mergers. We don’t see those growth patterns in real time, since they occur over millions of years. The merger scenario says that when galaxies come together, their central black holes (if they have them) do, too.

Simulation of merging supermassive black holes. Credit: NASA's Goddard Space Flight Center/Scott NobleDid you miss our previous article…
https://mansbrand.com/photo-gallery-40-gorgeous-backcountry-lakes/

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