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No description available.

In 2008, Christopher Nolan's The Dark Knight became the most commercially successful comic book adaptation to date. His film, which highlights the humanity and fallibility of Batman, builds on a long character history while also functioning as an individual work. Nolan's depiction of Batman, which follows a long progression towards postmodernism in graphic novel versions of the character, is just one of multiple filmic superhero representations in recent years to depict a darker side of the "superhero" mythos. These films highlight the humanity and fallibility of these heroic figures and place their actions under scrutiny. In Nolan's two Batman films, this approach allows the central character to reflect the moral complexity of postmodern society. As a result of his humanity, Batman must sometimes choose between two negative outcomes; as he does so, he places various moral systems under pressure and tests them. When Batman makes decisions, he must discard some values in favor of others, and in the process, he reveals his personal priorities. Through the decisions he makes in critical moments in the films, Nolan's Batman acts against "traditional" Batman archetypes which suggest that the hero's actions consistently adhere to one of the following principles: a lust for revenge, a desire to prevent future harm, or a vow not to kill. What eventually emerges as Batman's guiding principle in these latest films is not an ethical system per se, but rather a simple desire to thwart the goals of his enemies. Through this oppositional morality, Batman has the moral flexibility to avoid the dangerous ethical extremes of his enemies. This approach to crime also places the superhero's morality in the hands of his enemies, leading Batman to make troubling decisions as he attempts to stop the villains. Because Batman follows no single moral code consistently, the only way he ultimately differentiates himself from the villains of Gotham is through his belief in the city's potential for good, a belief which all of his enemies have abandoned.

Liquid argon is an attractive target for dark matter searches due to its low cost and exemplary event discrimination. However, atmospherically derived argon contains the beta-emitter 39Ar which confounds the growth of dual-phase time projection chamber (TPC) style detectors to the ton-scale. The DarkSide Collaboration seeks to bypass this limitation by extracting argon from deep underground, from a location known to contain significantly less 39Ar than atmospherically derived argon. This thesis will summarize the e orts taken to produce the first batch of underground argon, focusing on the first operation of the underground argon in a dual-phase TPC to validate the purity of the product, performed at Fermilab using the SCENE cryostat.

This licentiate thesis in theoretical physics focuses on the existence of quantum features in physical systems such as axion dark matter and gravity. Our focus is mostly on effects which appear at low energies, a regime in which our models can be confronted with current experiments or within the foreseeable future. In our first project, we focus on squeezing of axion dark matter, a quantum mechanical effect which accompanies the standard mean field description of axions. We have showed that within a reasonable set of assumptions, the quantum state of axions is highly squeezed. This theoretical finding suggests that the mean field description of axion dark matter is incomplete, since the latter conceals many interesting and possibly experimentally relevant phenomena, and paves the way for axion dark matter studies beyond the mean field approximation. Moreover, in this thesis, some ongoing work on axion dark matter decoherence is presented. Our goal is to test whether axion dark matter squeezing is robust against decoherence. Preliminary results indicate that squeezing is not diminished in presence of environmental interactions. Our results stem from an interdisciplinary approach at the intersection between cosmology, quantum optics, quantum open systems and cold atoms. Our second work focuses on quantum features of gravity. An almost century old question is how gravity can be reconciled with the laws of quantum mechanics. This question remains still open and part of the reason is the lack of experimental evidence. However, in recent years, the rapid progress of experimental techniques allows for quantum control and manipulation of larger and larger quantum systems. These new experimental routes have sparkled an interest in testing such fundamental questions with tabletop experiments. One particularly interesting proposal aims to test whether gravity can mediate entanglement between two spatially superposed mesoscopic masses. This proposal, in order to deduce the existence of quantized gravitational mediators, relies on a quantum-information-theoretic argument, the so-called LOCC (Local Operations and Classical Communication). In our work, we critically assess this proposal, its underlying assumptions and what teaches about quantum gravity. We conclude that the LOCC argument is not useful and by invoking it, one cannot unambiguously infer the existence of quantum mediators unless the principle oflocality is elevated to a fundamental principle of nature. We support our claim by explicitly showing that well known relativistic field theories, apart from local formulations can also admit non-local ones. Therefore, the entanglement generating quantum channel can be either local or non-local.

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<p> The net photosynthetic and dark respiration response to moisture, light level and temperature is discussed with reference to the unique Cladonia rangiferina (L.) Wigg.-Shrub association in Cladonia stellaris (Opiz.) Pouz. Spruce Woodland at Hawley Lake, Ontario. Field measurements provide a description of the summer and winter environmental complex. Winter data shows an exceptional thermal insulation afforded by snow cover, protecting lichen thalli from extreme air temperatures. Summer environmental data highlights the need to dissociate periods of thallus hydration (metabolic activity), and thallus dehydration in order that meaningful comparisons may be made with experimentally derived levels of metabolic activity. Experimentally derived physiology of the hydrated thallus showed a broad amplitude of tolerance to light level and temperature correlating with the wide range of temperature and light level experienced during a single thallus drying cycle in the field. Heat stress experiments illustrate this is indeed, a sensitive species restricted to the more ameliorated temperature regime of mature Spruce-Lichen Woodland. Heat sensitivity may also act to restrict C. rangiferina to the cooler micro-site afforded by the elevated shrub-hummocks.</p> <p> A spring to summer series of collections of a Muskoka population of C. rangiferina were coursed through heat stress experiments. Significant heat tolerance acclimation emerged as an essential response to withstand the high summer temperature regime.</p> / Thesis / Master of Science (MSc)

I uppsatsen beskrivs vad dark patterns är och hur de påverkar enskildas dataskydd. Det konstateras att metoderna faktiskt är ett gammalt fenomen som nu även förekommer inom den relativt nya datadrivna marknaden i den digitala världen. Det finns flera olika varianter av dark patterns och de kan förefalla överlappa varandra. Gemensamt är att dark patterns inom data-skydd påverkar enskildas integritetsval genom att nudgea enskilda till att dela personuppgifter. Metoderna inverkar på enskildas rätt till kontroll över sina personuppgifter och därmed borde dark patterns i de flesta fall utgöra överträdelser av dataskyddet i EU. Ingen lagstiftning omfattar dark patterns uttryckligen men i uppsatsen visas på att det torde vara få dark patterns som inte träffas av gällande dataskyddsregler. Det är inte svagheter i gällande dataskyddsreglering som uppmärksammas i uppsatsen utan snarare svagheter i efterlevnad och tillsyn av vederbörande regler. Bristerna i tillsyn påverkar inte endast förekomsten av dark patterns utan det gäller för samtliga dataskyddsöverträdelser. I uppsatsen föreslås behov av ytterligare riktlinjer och klargöranden från EDPB för att effektivisera efterlevnad och tillsyn av gällande regler. Därutöver förespråkas ytterligare finansiering till dataskyddsmyndigheter samt utbildning av enskilda tillika konsumenter om vad dark patterns är. I uppsatsen analyseras även konsumentområdets koppling till dataskydd samt eventuella tillsynsansvar av dark patterns för att sedermera diskuteras som ett ytterligare alternativ till att motverka dark patterns. Uttryckliga förbud i EU-lagstiftningsakter anses också vara önskvärd för att öka efterlevnad. En utblick över framtida regleringar görs, dels i USA där reglering som uttryckligen omfattar dark patterns införs år 2023, dels i EU där ett uttryckligt förbud mot dark patterns är under förhandling till att införas i DSA. Samtidigt kan kakväggar, vilket är en typ av dark pattern, komma att bli delvis tillåtna i och med ePrivacy-förordningen

<p>Tolerance is a diagnostic criterion for alcohol use disorder (AUD) and dependence and is often measured metabolically or behaviorally by comparing blood ethanol concentrations (BEC) or locomotor performance to an ethanol (EtOH) challenge before and after a drinking history, respectively. To explore another aspect of chronic behavioral tolerance in a family history positive (FH+) model of AUD, crossed High Alcohol Preferring (cHAP) mice were allowed to respond instrumentally for an EtOH reinforcer after either a five-week history of continuous home cage two-bottle choice (2BC) drinking or a concurrent five-week water-drinking period. Additionally, some of these animals were placed back into the operant box after home cage drinking histories to respond in extinction, allowing for the quantification of alcohol-motivated seeking alone in the absence of EtOH taking and its intoxicating effects. The results demonstrate that an alcohol history does not lead to a subsequent increase in active lever responding or inactive lever responding when compared to water-drinking controls. However, female cHAP mice with an EtOH-drinking history respond more on the inactive lever in extinction compared to water controls, suggesting that home cage EtOH history potentiates variation in responding in extinction. Overall, female mice responded more on the active lever and drank more alcohol in the reinforced condition, but again, there was not an effect of drinking history on this sex-specific effect. Together these results suggest that while female cHAPs, regardless of drinking history, are more motivated to work to drink EtOH, reinforced and non-reinforced instrumental responding are not reliable readouts for tolerance in cHAP mice compared to other endpoints such as drinking in the dark (DID) assays.</p>

This thesis investigates how airline companies use dark patterns on their websites and how users perceive them. Dark patterns are deceiving design strategies that take advantage of users by integrating misleading user interface features to trick users into doing things they did not mean to. Previous taxonomies of dark patterns are introduced, together with earlier research on dark patterns and user experience, to understand their research approach. A qualitative approach is used, including a case study that starts with a content analysis of airline websites and then semi-structured interviews with users. The results show that six types of dark patterns can be found on airline websites. These are misdirection, nagging, urgency, interface interference, price comparison prevention and forced action. It was found in line with previous research that dark patterns benefit the company and manipulate the users into choices that are not in their best interest. Users’ perceptions of the patterns varied due to different experiences and backgrounds. Some participants were not bothered by some of the dark patterns since they were used to them from other websites, showing a sort of dark pattern-blindness. Some users accepted the dark patterns due to the airline being low-budget. However, some were against the use and did not trust the company. / Denna uppsats syftar till att undersöka hur flygbolag använder dark patterns på sina hemsidor, och hur användare uppfattar dessa dark patterns. Dark patterns är vilseledande designstrategier som drar nytta av användarna genom att integrera vilseledande funktioner i användargränssnittet för att lura användare att göra saker de inte menade. Tidigare taxonomier av dark patterns presenteras, tillsammans med liknande tidigare forskning om dark patterns och användarupplevelse, för att få en förståelse för deras metod. En kvalitativ metod används genom en fallstudie som involverar en innehållsanalys av flygbolagens hemsidor och sedan semistrukturerade intervjuer med användare. Resultaten visar att sex typer av dark patterns kan hittas på flygbolags hemsidor. Dessa är misdirection, nagging, urgency, interface interference, price comparison prevention och forced action. I linje med tidigare forskning visar resultatet att dark patterns gynnar företaget och manipulerar användare till val som inte gynnar deras intresse. Användarnas uppfattningar om dark patterns varierade beroende på olika erfarenheter och bakgrunder. En del var inte besvärade av vissa av dem eftersom de var vana med dem från andra webbsidor, vilket visade en slags dark pattern-blindness. Vissa användare accepterade användningen av dark patterns eftersom flygbolaget var lågbudget. Däremot var vissa användare emot användandet och litade inte på företaget.