With this book, you'll have all the essential MCQs at your fingertips to master physics and excel in your academic or professional pursuits.Access-restricted-item true Addeddate 10:09:56 Associated-names Roberts, Michael Holman, John Holt, Rinehart, and Winston, Inc Boxid IA40407509 Camera USB PTP Class Camera Collection_set printdisabled External-identifier Whether you are a student preparing for Class 12 exams, a teacher looking for additional resources, or a physics enthusiast eager to expand your knowledge, "The Big Book of Physics MCQs" is the perfect tool to help you achieve your goals. The book also includes a comprehensive answer key, allowing students to check their answers and learn from their mistakes. Each chapter includes a summary of the key concepts and theories covered, along with detailed explanations and solutions for all the MCQs. The book is organized thematically, making it easy to navigate and focus on specific topics. The questions are carefully crafted to test the student's critical thinking and problem-solving skills, ensuring a rewarding learning experience. Designed for Class 12 students, this book provides a wide range of MCQs that challenge the reader's understanding of the subject matter. This book covers all the essential topics in physics, including mechanics, thermodynamics, optics, electromagnetism, and more. "The Big Book of Physics MCQs: Your Ticket to Top Scores in Class 12" is a comprehensive guide to mastering physics through multiple choice questions. The textbook is readily adaptable to either a one- or two-semester course, or a two- to three-quarter course, allowing the instructor to select topics of his or her choice. Each division of physical science is discussed in the context of real-world examples. The five divisions of physical science are covered: physics, chemistry, astronomy, meteorology, and geology. An Introduction to Physical Science, Thirteenth Edition, as for previous editions, is intend- ed for an introductory course for college nonscience majors. Additionally, we continue to present the content in such a way that students develop the critical reasoning and problem-solving skills that are needed in our ever-changing technological world. The primary goal of the thirteenth edition of An Introduction to Physical Science is in keeping with that of previous editions: to stimulate students’ interest in science and to build a solid foundation of general knowledge in the physical sciences. Equipped with this knowledge, they can better adapt to their environment and make informed decisions that ultimately affect their lives and the lives of others. While increasing their understanding of the principles of science, students must also know how science is conducted, and when, where, and to what it is applied. Because the world is rapidly being transformed, it is important that today’s students advance their knowledge of science. They have created a revolution in all aspects of our lives, including communication, transportation, medical care, the environment, and education. Science and technology are the driving forces of change in our world today.
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In Wonderland, precise instructions are pretty thin on the ground beyond a cursory “Drink Me” or “Eat Me”. Granted: we have to allow for a certain margin of error, but that’s only fair. But, forgive my literal-mindedness, the seven-(and-a-half)-year-old Alice would have to be a really precocious child to worry about puberty or adulthood – even at a time when the age of consent was twelve.īesides, Alice is mostly in charge of her metamorphoses. It’s true that the changes in Alice’s body, and her confusion about her own identity, lend themselves to being read as apt correlatives to the turmoil of puberty. The prefatory poem to this winter narrative has a distinctly melancholy tone, spelling out the exact cause for such a change in mood: “We are but older children, dear, / who fret to find our bedtime near.”Īs for Alice, in the garden of live flowers, she is told flat out that she is “beginning to fade” – a point reiterated in a roundabout way in Humpty Dumpty’s suggestion that she “might have left off at seven”, instead of reaching the “uncomfortable”, grand old age of “seven years and six months”. Intimations of our transience become more insistent – they would, wouldn’t they? – in Through the Looking-Glass, the sequel Carroll published in December 1871. The best we can hope for is for our spirit to remain young. This reverie ends with a bittersweet vision of Alice as a grown woman, still keeping “through all her riper years, the simple and loving heart of her childhood”, and sharing Wonderland with a new generation of children. “Watching the setting sun”, the elder sister partakes of her sibling’s adventures in a vivid daydream of her own. Alice wakes up to her sister’s hand gently sweeping away “some dead leaves that had fluttered … upon her face”. Images of decay creep into the narrative frame of Wonderland, in spite of its summer location. But she is also a harbinger of mortality to various Wonderland creatures when she hints at the possibility that they might get eaten – a prospect most frequently raised by her continuous, tactless allusions to the predatory instincts of her cat Dinah. Alice fears disappearing altogether, should one of her size changes go horribly wrong. Anxiety about the inexorability of the process is tangible before we even set foot in Wonderland, in the White Rabbit’s nervous cry “Oh dear! Oh dear! I shall be too late!”.ĭeath itself is never far from our consciousness, say, in the Queen of Hearts’ mania for beheadings, but also in repeated references to the threat of extinction. The reason for this frequent misattribution of concerns about growing up is clear: the Alice books are replete with allusions to the passage of time. In my previous piece, I cautioned against ascribing Carroll’s idealization of childhood to Alice Liddell or indeed – I should now add – to the textual Alice. The glorious meteorological conditions are also a metaphor for the light-heartedness of youth, an association reprised in the closing words of the entire narrative with its pairing of “child-life, and the happy summer days”. What Carroll gives us is an origin myth, with suitably unclouded skies. Historical records suggest that the day was “cool and rather wet” ( i), hardly the “dreamy weather” of the prefatory verses. In the poem that introduces the published version, the momentous excursion is memorialized – and perhaps wilfully misremembered – as having taken place on a “golden afternoon”. Alice’s Adventures in Wonderland first unfolded as an oral tale, during a boat trip on the Thames organized by Carroll for the amusement of the young Liddell sisters. On this side of the pond, especially in Oxford, Alice Day commemorates the anniversary of 4 July 1862, when Carroll extemporised the earliest version of his famous story. Why is Alice like the American Declaration of Independence? Unlike the Mad Hatter’s, this riddle does have an answer: “They are both celebrated on the 4th of July”. Stefania Ciocia looks at the ‘Alice In Wonderland’ booksĭr Stefania Ciocia looks at how adults and children interpret the Alice stories differently The game doesn't get easier, or your character more powerful - levels are built of the same component parts every time - it's just that your knowledge and capabilities grow, which is a great feeling. Having to start all over again can be a letdown, especially if you've made it a long way or have obtained something special you're not done playing with, but it's incredible to find that over time you can make it consistently further and further. I've even been bashed by a gang of zombies and vampires when I accidentally exploded a satanic shrine while trying to sacrifice a dead body. I've been eaten by plants while running from a caveman who was angry I stole the pot he was holding. I've been shot by a vengeful shopkeeper after a lizard I skillfully dodged rolled into his store and upset his merchandise. It helps that your demise is often very funny and unexpected. Ladybirds, witch doctors, axolotls, robots every new element you see is both an object of wonder and an unpredictable herald of death. And just when you start to feel comfortable you progress to a new area, with wholly new elements, and suddenly you're afraid of everything again. When you're in familiar areas, you're afraid the collection of deadly dangers around you will be organised in such a way that creates an unstoppable chain reaction of doom. Everything can kill you so easily, and often in ways you can barely understand, that it's tough to feel in control at all. Not since the original Spelunky have I been so enamoured with a game that produces almost constant fear. Specify a decimal value between 5.0 MB and. Note These examples contain line breaks for readability. Unload Parquet files on s3 from a Redshift query result (Through the UNLOAD command). For more information, see Sample database. The TICKIT sample data is used in many of the examples. Redshift’s UNLOAD command allows Redshift users to export data from a SQL query run in the data warehouse into an Amazon S3 bucket essentially doing the reverse of the COPY command. Amazon Redshift Database Developer Guide UNLOAD examples PDF RSS These examples demonstrate various parameters of the UNLOAD command. As an alternative you can use psql command line interface to unload table directly to the local system.įor more details, follow my other article, Export Redshift Table Data to Local CSV format. If you’ve been around the Amazon Redshift block a time or two, you’re probably familiar with Redshift’s COPY command.Well, allow us to introduce you to its partner in crime: the UNLOAD command. You cannot use unload command to export file to local, as of now it supports only Amazon S3 as a destination. Iam_role 'arn:aws:iam::123456789012:role/myRedshiftRole' Unload Redshift Table to Local System You should provide option HEADER to export results with header. Iam_role 'arn:aws:iam::123456789012:role/myRedshiftRole' Unload Redshift Query Results with Header However, It is recommended to set PARALLEL to TRUE.įor example, unload ('SELECT * from warehouse') In order to unload results to a single file, you should set PARALLEL to FALSE. When I unload to a Parquet file and read it back with a Python program, the value is 18446744071472.121616 (which is the 2's complement). For example, my table has a column that's numeric (19,6), and a row with a value of -2237.430000. Unload Redshift Query Results to a Single File Looks like there's a problem unloading negative numbers from Redshift to Parquet. As unload command export the results in parallel, you may notice multiple files in the given location. The command will unload the warehouse table to mentioned Amazon S3 location. However, you can always use DELIMITER option to override default delimiter. ]įollowing is the example to unload warehouse table to S3. You can provide one or many options to unload command. Include the IAM role's ARN when you call the COPY, UNLOAD, CREATE EXTERNAL SCHEMA, or CREATE EXTERNAL FUNCTION command. UNLOAD ('select-statement')įollowing are the options. The steps for using an IAM role are as follows: Create an IAM role for use with your Amazon Redshift cluster. You will have to use AWS CLI commands to download created file.įollowing is the unload command syntax. It does not unload data to a local system. Unload command unloads query results to Amazon S3. The Ninja Blender is designed to provide users with an easy, safe and efficient blending process. The electronically-controlled motor ensures that the blades spin at a powerful enough speed to successfully blend frozen fruit. It has the power and control to crush and blend even the toughest ingredients with ease. Yes, a ninja blender can blend frozen fruit. This will help to process the frozen fruit. Additionally, after the frozen fruit has been thawed, a frozen liquid such as water, almond milk, or juice should be added to the blender to help the blades efficiently process the ingredients.įor best results, use the Pulse setting and press down firmly on the cup, then release. This will reduce the chances of chunks being left in the smoothie. However, for smooth and even blending, it is recommended to slightly thaw the frozen fruit prior to blending. Its extractor blades are powerful and built to break down tough ingredients like frozen fruits and vegetables. Yes, a NutriBullet blender can blend frozen fruit. Once the smoothie is blended stop blending, pour into a glass or cup, and enjoy your smoothie!. Once the liquids and frozen fruit have been added, blend on a high speed for approximately 30-45 seconds (depending on the power of your blender). Possible liquids could be water, juice, nut milk, or even yogurt. To do this, add the frozen fruit of your choice to the blender and then add a liquid of your choice to help with blending. Yes, you can use frozen fruit in a personal blender. With 8 sailings per day, you are bound to find a suitable ferry crossing to suit your needs. It is recommended to book in advance for the best possible prices and availability. Cheap Ferry Athens Parosįind cheap ferry tickets using our deal finder. Prices subject to change, pricing representative of searches over last 30 days. All ferry prices can vary from season to season. Car prices can range between $237 and $785. The average price of a foot passenger is $254, prices can range between $89 and $452. Athens to Paros Ferry Costįerry price from Athens – Paros can range between $89 and $515 depending on the operator, season and whether you are travelling with a vehicle. While Cyclades Fast Ferries don't have a specific baggage policy, we recommend that you only bring up to 50 kilograms per person to avoid facing any additional fees. All luggage is stored below deck so you won't have access to it throughout the journey. How much luggage can I bring on the ferry from Athens to Paros?Passengers travelling with SeaJets and Blue Star Ferries can take up to 50 kilograms of luggage per person. However, please ensure that your pet is fully vaccinated before travelling and has proof of such with a medical certificate. Both operators provide kennels onboard, which are fully supervised throughout the journey. Yes, pets are welcome on the ferry from Piraeus to Paros with SeaJets and Blue Star Ferries. Can I bring pets on the Athens to Paros ferry? Yes, there are cabins available on the ferry from Athens to Paros. Can I reserve a cabin on the ferry from Athens to Paros? However, this can change depending on seasonal schedules. Unfortunately, there are no ferries on this route that operate overnight. The fastest ferry from Athens to Paros is with SeaJets. The earliest ferry departs Athens at 06:45 and the last ferry departs at 17:30. Ferry schedules can vary by operator and season. During the high season ferry timetables often increase. Blue Star Ferries provide up to 3 sailings per day, SeaJets provide up top 14 weekly sailings, Aegean Speed Lines provide 4 weekly sailings, Minoan Lines provide 3 weekly sailings, Golden Star Ferries provide up to 7 weekly sailings and Cyclades Fast Ferries provide 3 weekly sailings. On average there are 52 weekly ferry sailings from Athens to Paros. Athens to Paros ferry duration can range between 2 hours 50 minutes and 7 hours 35 minutes depending on the operator you are sailing with. The ferry crossing from Athens to Paros is approximately 3 hours on ferries servicing this route. The Athens to Paros ferry route is provided by 6 operators and runs all year round. How long is the ferry from Athens to Paros? “What we’re seeing with motion smoothing is instead of trying to present movies as they were, as they looked naturally, everything is being ported over to these new digital devices, and everything wants the thing that looks best to their eyes on those digital devices,” Debruge says. Motion smoothing doesn’t replace this cinematic language with actual realistic movement, however, instead creating an uncanny valley effect that just degrades the original intent of the filmmaker, and makes the film look cheaper and uglier. Film, traditionally, used a flicker effect to stimulate motion, and audiences have learned to accept and understand the lower frame rate of film as a part of the cinematic language. What is it about motion smoothing that makes it bad for watching film? According to Variety chief film critic Peter Debruge, the issue is the technology ignores the way that people have been trained to understand how motion works in film. I’m taking a quick break from filming to tell you the best way to watch Mission: Impossible Fallout (or any movie you love) at home. The filmmaker mode has been added to certain TV sets manufactured since 2020, though it is nowhere near as widespread as motion smoothing. In 2019, several filmmakers announced a partnership with the UHD Alliance to develop a new “Filmmaker Mode” TV setting that is optimized for watching films at home. Directors as varied as Rian Johnson, Patty Jenkins, Martin Scorsese, Reed Morano, Karyn Kusama and Paul Thomas Anderson have all publicly expressed hatred of the technology. In 2018, Tom Cruise and “Mission Impossible: Fallout” director Christopher McQuarrie released a public statement asking viewers to turn off the setting while watching their film at home. In practice, the errors and visual artifacts it causes has made it extremely controversial, and many directors, filmmakers and critics have decried it as a technology that ruins film. Theoretically, motion smoothing makes the film run faster and cleaner. Small objects moving fast in unpredictable ways or complex transformations like explosions are the hardest to estimate and will result in weird visual artifacts.” Motion smoothing works best when the scene is moving slowly in a predictable way, like a panning shot or a big object moving sideways. “Therefore, there will be errors and artifacts. “Multiple techniques can be used to estimate motion, but none are perfect since the real information of what is between the two frames is not present in the original footage,” Demers says. According to Cedric Demers, the president of personal electronics testing and review company, motion smoothing creates new frames by calculating where objects in a video move from and to in between the original frames, and interpolating the trajectory of the objects. When motion smoothing settings are turned on your TV, the TV essentially adds fake frames into a film or show in order to artificially increase the frame rate. A standard film or TV show is usually shot at 24 to 30 frames per second, while modern TVs are capable of operating at 60, 120 or occasionally even 240fps. Motion smoothing, also called motion interpolation, is born out of a discrepancy between the frame rates of films and the frame rates modern TV sets are capable of running. Even if you don’t know what it is, you might have noticed a favorite film you’ve seen in theaters look noticeably different, some might say uglier, on the small screen, thanks to the work of the technology, a default setting on nearly every modern TV set. If you have watched any movie on any TV in the past few years, there’s a good chance you’ve encountered motion smoothing. For example, obsidian knives, arrowheads, or sculptures can be classified by their intended purpose or cultural significance. Some varieties are translucent when sliced thinly and held up to the light, allowing light to pass through.Īrtistic and Cultural Classification: In the context of art or culture, obsidian objects may be classified based on their use and design. Translucency: Obsidian can be classified based on its translucency. Green Obsidian: Found in various locations, including the United States and Mexico, and known for its green coloration. Obsidian Cliff Obsidian: From Yellowstone National Park, USA, known for its black or banded appearance.Īrmenian Obsidian: From Armenia, often characterized by its brown or gray color. Obsidian Buttes Obsidian: From California, USA, known for its black color and use in tools. Different regions around the world produce unique varieties of obsidian, each with its own characteristics. Geographical Origin: Obsidian can also be classified based on its geological source. Magnetite or Hematite Inclusions: Some obsidian varieties contain tiny magnetite or hematite crystals, which can impart a metallic sheen or magnetic properties to the rock. The pumice fragments can create a textured appearance in the obsidian. Pumice Obsidian: This type of obsidian may contain small fragments of pumice stone, which is another volcanic rock. Inclusions: Obsidian can also be classified based on the types of inclusions it contains: It’s prized for its unique luster in jewelry. Gold Sheen Obsidian: Gold sheen obsidian has a shiny, golden or metallic appearance caused by the reflection of light from microscopic gas or mineral inclusions. Reason, the obsidian is sometimes regarded as a mineraloid. Structural ordering similar to crystals only in very short distances. Major minerals: Amorphous volcanic glass that exhibits the The translation into English of Natural History written by Pliny the Elder of Rome shows a few sentences on the subject of a volcanic glass called obsidian (lapis obsidianus), discovered in Ethiopia by Obsidius It is ascribed to Theophrastus who used it for the first time in 320 BC. Name origin: The name obsidian is very old. It is fragile, tough and it disintegrates to very sharp slivers. Diffusion in the very viscous acid and felsic lavas with highly polymerized SiO2 tetrahedrons is slow, thus inhibiting the nucleation of crystals and supporting the origin of the glassy structure. Obsidian most frequently originates by a rapid coooling of a felsic viscous lava. The proprietary blend of botanicals and nutrients is expertly crafted to provide you with the stress relief you need. Each softgel is made with premium ingredients, carefully selected to ensure maximum effectiveness. 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