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![]() The 235 U 235 U nucleus can be left in an excited state to later emit photons ( γ γ rays). The energy carried away by the recoil of the 235 U 235 U nucleus is much smaller in order to conserve momentum. Most of this energy becomes kinetic energy of the α α particle (or 4 He 4 He nucleus), which moves away at high speed. The energy released in this α α decay is in the MeV MeV range, about 10 6 10 6 times as great as typical chemical reaction energies, consistent with many previous discussions. As discussed in Atomic Physics, the general relationship is Total mass–energy is also conserved: the energy produced in the decay comes from conversion of a fraction of the original mass. This results in the α α particle carrying away most of the energy, as a bullet from a heavy rifle carries away most of the energy of the powder burned to shoot it. In that case, the fragments must fly in opposite directions with equal-magnitude momenta so that total momentum remains zero. If the nucleus is at rest when it decays, its momentum is zero. Although conserved angular momentum is not of great consequence in this type of decay, conservation of linear momentum has interesting consequences. Linear and angular momentum are conserved, too. You can see from the equation Z A X N → Z − 2 A − 4 Y N − 2 + 2 4 He 2 Z A X N → Z − 2 A − 4 Y N − 2 + 2 4 He 2 that total charge is conserved. It is instructive to examine conservation laws related to α α decay. Then since four nucleons have broken away from the original 239, its atomic mass would be 235. So if you were told that 239 Pu 239 Pu α α decays and were asked to write the complete decay equation, you would first look up which element has two fewer protons (an atomic number two lower) and find that this is uranium. Where Y is the nuclide that has two fewer protons than X, such as Th having two fewer than U. The decay equations for these two nuclides are Another nuclide that undergoes α α decay is 239 Pu 239 Pu. One example of α α decay is shown in Figure 31.14 for 238 U 238 U. In alpha decay, a 4 He 4 He nucleus simply breaks away from the parent nucleus, leaving a daughter with two fewer protons and two fewer neutrons than the parent (see Figure 31.15). No γ γ decays are shown in the figure, because they do not produce a daughter that differs from the parent. Beta decay is a little more subtle, as we shall see. The daughters of β β decay have one less neutron and one more proton than their parent. This seems reasonable, since we know that α α decay is the emission of a 4 He 4 He nucleus, which has two protons and two neutrons. Note that the daughters of α α decay shown in Figure 31.14 always have two fewer protons and two fewer neutrons than the parent. A stable isotope of lead is the end product of the series. You can see why radium and polonium are found in uranium ore. Note that some nuclides decay by more than one mode. The type of decay for each member of the series is shown, as well as the half-lives. Nuclides are graphed in the same manner as in the chart of nuclides. The 238 U 238 U decay series ends with 206 Pb 206 Pb, a stable isotope of lead.įigure 31.14 The decay series produced by 238 U 238 U, the most common uranium isotope. The decay of radon and its daughters produces internal damage. Since radon is a noble gas, it emanates from materials, such as soil, containing even trace amounts of 238 U 238 U and can be inhaled. ![]() Radon gas is also produced ( 222 Rn 222 Rn in the series), an increasingly recognized naturally occurring hazard. The decay series that starts from 238 U 238 U is of particular interest, since it produces the radioactive isotopes 226 Ra 226 Ra and 210 Po 210 Po, which the Curies first discovered (see Figure 31.14). Others, such as 238 U 238 U, decay to another unstable nuclide, resulting in a decay series in which each subsequent nuclide decays until a stable nuclide is finally produced. For example, 60 Co 60 Co is unstable and decays directly to 60 Ni 60 Ni, which is stable. Some radioactive nuclides decay in a single step to a stable nucleus. We call the original nuclide the parent and its decay products the daughters. Unstable nuclides decay (that is, they are radioactive), eventually producing a stable nuclide after many decays. Some nuclides are stable, apparently living forever. In this section, we explore the major modes of nuclear decay and, like those who first explored them, we will discover evidence of previously unknown particles and conservation laws. Nuclear decay gave the first indication of the connection between mass and energy, and it revealed the existence of two of the four basic forces in nature. Nuclear decay has provided an amazing window into the realm of the very small. 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It’s all got the features you would need such as advanced search options, shortcut key setup, archive compression support (using ZIP protocols), and more.įurther, you can change the theme, accent color, and fonts to customize the software to your preferences. You can manage both locally stored files and those on the cloud. The interface consists of two panels, with support for unlimited tabs. Best Mac File Management Software 1. Commander OneĬommander One is a great Mac file explorer because it’s easy to use and super efficient. In this article, we’ll look at the best options and why you should use them. That’s why you need to use third-party Mac file managers for more advanced options and customization. This is the default file explorer on Mac but it falls short in some aspects. To browse and manage your files on macOS, you need to use Finder.
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TikToks Back Crack Challenge has becomes the newest sensation on the app. TikTok video from Simon Simon (birminghamragmarket): 'backtowork Birmingham jeans magic Ragmarket trend Brum Market'. The challenge became increasingly popularized over the following weeks under the same original sound and the hashtag "#demonposechallenge." On December 13th, 2022, TikToker posted a video doing the challenge that garnered over 14 million views in a week (shown below, left). ![]() Without hesitation, he jumps on his fallen grenade to save his comrades. Gordo (Michael Peña) tries to throw a grenade, only to be shot. A sneak attack gives them the edge at first, but soon the crew of Fury starts dropping one by one. It’s what makes the final stand, where the crew of the titular tank takes on countless SS troops, hit as hard as it does. And as ugly as some of the depictions of war were, the film had plenty of heart. The film does not shy away from the horrors of war or the impact it has on civilians, especially when the losing Nazis are executing civilians in a taking-you-with-me approach. But it set a clear tone for the film of what the pint-sized soldier could do.įury is the dirty, brutal, intense World War II film we needed back in 2014. That grenade scene wasn’t even the biggest action set in the film or Murphy’s biggest exploit in the war. When he cleared one, he grabbed their grenades and kept up the attack until he was the last one standing. When his friend is killed, Murphy turns into a one-man army, lobbing grenades and shooting at German machine gun positions. One such scene is in Sicily, where he and a friend were ambushed on patrol. The film had some bombastic tropes, but Murphy made sure the combat scenes were accurate to his experiences as an Army soldier in North Africa and Europe in World War II. Beyond being the story of Medal of Honor winner Audie Murphy, the most decorated soldier in World War II, it had 5’5” Murphy playing himself. It’s partly why To Hell and Back is so great. ![]() ![]() The best war movies or shows are the ones that draw on real events for their depictions of combat. And it works! At least until they start throwing several grenades at once. So what does he do? He simply throws them back without pause. The Nazi soldiers, tired of getting shot to pieces, start lobbing grenades at Schaffer. It’s the kind of scene you’d expect from a John Woo film or The Matrix. With their cover blown and in need of a distraction to finish the mission, Schaffer (Clint Eastwood) grabs a pair of MP-40 submachine guns and starts mowing down Nazis. But the best of that era goes to the sabotage mission in Where Eagles Dare. Special mention has to go to The Dirty Dozen where the titular team takes out a mansion of Nazis with grenades, petrol, and other explosives. And almost every one had some pretty spectacular grenade scenes, shootouts, and explosions. The 1960s gave audiences a slew of bombastic and action-packed World War II films. Get the latest military news, entertainment, and gear in your inbox daily. Here are some of the best ones in television or film.įair warning, this list contains spoilers. They generally make for a crowd pleasing scene. It can be a test of character, such as in Captain America: The First Avenger, or a way to take out a tank, as in All Quiet on the Western Front. A great war or action film will throw in grenade scenes for some extra pyrotechnics, a big finale, or a dramatic moment of a character jumping on one to save their buddies. And in a military movie or show they can really ramp up the spectacle. They are great for taking out a machine gun nest, disrupting enemy lines, and adding a little extra punch to an attack. ![]() 8B Porcelain Beigeįor very fair skin with cool, pink or rosy undertones. 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![]() You can use the camera’s operation to start and stop shooting on an external recorder. The fp supports the ATOMOS Open Protocol. I’m surprised Sigma didn’t do a deal with Blackmagic so they could record Blackmagic RAW.Īccording to Sigma, the following external recorders are compatible: ![]() If you will be able to play back CinemaDNG in camera then that certainly alludes to Raw recording happening internally.ĬinemaDNG is a strange choice in 2019. Sigma states that ※ The in-camera playback function of CinemaDNG shooting data will be implemented later with a firmware upgrade. I believe that the internal recording of CinemaDNG will be coming in a firmware update. Movie Format CinemaDNG(8bit / 10bit/ 12bit) / MOV:H.264 (ALL-I/ GOP) According to Sigma’s official specifications for the ff it states: There is, however, a bit of confusion as to what the camera can record internally. Video Featuresįor video shooters, the new camera can record 12bit Cinema DNG Raw in UHD externally. It is unclear whether you can manually select this function. When a DC lens (APS-C lens) is attached, the fp will automatically crop to the APS-C size angle of view. Furthermore, by using the Sigma MC-21 EF Mount Converter, or the SA to L-mount converter, both Canon EF and Sigma SA mount lenses can be used. and Panasonic Corporation enables lens products from other companies to be used. In addition to being able to select Sigma’s abundant lens products for interchangeable lenses, the L mount alliance with Leica Cameras Inc. The L-mount features a short flange back, large diameter, and high durability. L-MountĪs Sigma is part of the L-Mount alliance, it is no surprise that the fp lens utilizes an L-mount. The fp weighs in at just 370 g (13.05 oz) and it has dimensions of 112.6mm x 63.9 mm x 45.3 mm (L x H x W). As well as a dedicated video record button. It has a dedicated button that switches between both modes. This camera is clearly being targeted as a cine/stills hybrid. The camera uses a back-illuminated full frame (35.9mm×23.9mm Bayer CMOS sensor with 24.6 effective megapixels. World’s smallest and lightest full size. ![]() And, it doesn't ruin my day or make me want to vomit at the sacrifice of how the characters could have been interacting with each other, talking, being FUNNY! Or ANYTHING ELSE! I guess I never liked when Mercer over described gore with childish delight and it seemed no matter who was getting hurt but I could tune it out when that wasn't at least ninety percent of the show and animated. Good storytelling doesn't have to try so hard. ![]() It talks out of both sides of its mouth, is it supposed to be sad and serious or a spectacle of gore? That scene of pov from someone with her throat slit was traumatizing! And, you know, in general, I make a point of not watching things that were obviously designed to upset their audience or try to make them 'feel something' over something awful happening with the subtly of an anvil. I don't understand how people who claim to want to 'leave the world better' think that this sort of glorification of horrific imagery that seems to bask in the misery of characters is making anything 'better'. And, no, this isn't from someone who hates violent things, I love Deadpool for instance, but those movies care about heart and humor and not trying to be almost a horror movie and sometimes I wouldn't know it wasn't on some scenes out of context! How things were presented here just ruined my whole day and made me feel sick and unhappy. Their insistence on trying to make you care about some one note characters just to kill them in ways that showed how they deserved no dignity or respect, with flying brains and organs everywhere, was repulsive to me. I watched it months ago and I still feel vaguely sick on remembering some of the images. ![]() Prime Video has debuted another three installments of The Legend of Vox Machina for your viewing pleasure. This took all the warmth and humor of the campaign and kept lessening any sight of it until by a certain episode all that was left was some twisted shock and gore fest. We discuss predictions for The Legend of Vox Machina Season 2 Episodes 7, 8, and 9 and include the release date and where to watch online. ![]() Can we call you ‘Al?’ Or maybe just ‘Din?’ Or how bout ‘Laddi?’ (GENIE disappears, then a dog wrapped in plaid jumps in.) Sounds like ‘Here, boy! C’mon, Laddi!’Īladdin: (Shaking his head) I must have hit my head harder than I thought. The sign changes to reflect the GENIE’s upcoming line.) Hello, Aladdin. Genie: (Says his name as if he’s discovered something major) Aladdin! (A neon sign lights up with Aladdin’s name on it, circled by chase lights. Hi, where ya from? (Sticks the mic in Aladdin’s face.) What’s your name? CARPET pulls a Aladdin down.) Whoa! Does it feel good to be outta there! (GENIE uses the lamp end of himself as a microphone.) Nice to be back, ladies and gentlemen. Then he pulls his head off and spins it around, yelling as he does so. Genie: Aaaaahhhhh! OY! Ten-thousand years will give ya such a crick in the neck! Hang on a second. Suddenly smoke comes out of the hole, the LAMP begins to shake and glow, but ALADDIN holds onto the LAMP, and our wonderful friend, the GENIE comes out.) Hey, I think there’s something written here, but it’s hard to make out. You'll never find a friend as amazing as one who lives in this lamp.Īladdin: It looks like such a beat-up, worthless piece of junk. Friends are very important and they come in all shapes and sizes. Jiminy Cricket: Everybody ready to sing? I've invited all my friends to come and sing along. Professor Owl: And Now, here's our friend, Jiminy Cricket! Professor Owl: You'll find out before you're done! Music's fun for everyone!īird Students: Join right in, Sing-Along with Disney's Sing-Along Songs! Professor Owl: We'll make sure you can't go wrong!īird Students: Sing-Along one and all, follow the bouncing ball! Once you've heard every word, you'll want to Sing-Along!īertie Birdbrain: But I don't know all the songs. We will play every note so you can sing-along.īird Students: Join right in and Sing-Along With your favorite Disney Songs. Professor Owl: Now you at home can sing-along With your favorite Disney song. The 1994 reprint does have a new title card.This is the only volume to have a 1994 title card to the theme song play over the new graphics.Robin Williams - Genie (archival footage).Frank Welker - Abu, Rajah (archival footage).Scott Weinger - Aladdin (speaking) (archival footage).David Ogden Stiers - Cogsworth (archival footage).George Sanders - Shere Khan (archival footage).Lea Salonga - Jasmine (singing) (archival footage). ![]()
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