Black hole mergers modelled in 3D

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Simulations on a supercomputer have allowed Nasa scientists to understand finally the pattern of gravitational waves produced by merging black holes. The work should help the worldwide effort that is currently underway to make the first detection of these "ripples" in the fabric of space-time.

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On the importance of being pedantic (series: notes to myself)

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They say that to call someone pedantic is an insult. I'm not so sure. True, someone pedantic is obsessed with minor details, small errors, or tiny imperfections. And a pedantic is also someone who cares too much about all such things not to let you know about them, advising or correcting, disagreeing or disapproving. And yes, if you are a pedant, you are more than just occasionally pedantic. This can happen to anybody, the excessive emphasis on some narrow or boring detail being a tendency we all share when it comes to matters about which we care very much. But if you are a pedant, being pedantic is your daily stance, your intrinsic nature, your way of living. You are always, consistently, reliably, systematically pedantic, from the moment you wake up, about the exact place where the slippers should be next to your bed, all the way to the moment you go to sleep, and the exact place where the phone should be placed to recharge. If you are a true pedant, no detail is too trivial, no
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[22 April update: at the Digital Ethics Lab (OII, University of Oxford) we have elaborated a list of 16 questions to check whether an app is ethically justifiable, the full article, open access, is available here ] There is a lot of talk about apps to deal with the pandemic . Some of the best solutions use the Bluetooth connection of mobile phones to determine the contact between people and therefore the probability of contagion. In theory, it may seem simple. In practice, there are several ethical problems, not only legal and  technical ones . To understand them, it is useful to distinguish between the validation and the verification of a system.  The validation of a system answers the question: "are we building the right system?". The answer is no if the app is illegal,  for example, the use of an app in the EU must comply with the GDPR; mind that this is necessary but not sufficient to make the app also ethically acceptable, see below; is unnecessary, f
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I wanted to make a brief point. I thought it was original. But I was too late, it had already been made: mansplaining is gender-neutral . I know because I have had people explaining to me – your average Caucasian, male, middle-aged, European bourgeoisie, in other words, the stereotype of the mansplainer – how to spell my name. But let me hasten to say that, no, my dear, this is not literally, thank you for explaining to me that it cannot be the case. I meant it metaphorically. What puzzles me is how can you be so sure that you are not the one who is not getting it? Please pause for a moment and ask yourself whether "o buraco é mais embaixo", as they say in Brazil, which roughly means that "the hole is further down". And if it looks obvious to you, if you thought about it, why do you assume I did not? In short, next time, if you see me behind you, please do wonder whether I might be almost a whole lap ahead, before explaining to me how to run.
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Call for expressions of interest: research position for a project on Digital Sovereignty and the Governance, Ethical, Legal, and Social Implications (GELSI) of digital innovation.

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THIS CALL IS NOW CLOSED Call for expressions of interest: research position for a project on Digital Sovereignty and the Governance, Ethical, Legal, and Social Implications (GELSI) of digital innovation. The Centre for Digital Ethics of the University of Bologna https://centri.unibo.it/digital-ethics/en invites expressions of interest (EOI) from early career researchers, with a relevant Master or PhD degree, interested in developing a research project in the field of Digital Sovereignty and the Governance, Ethical, Legal, and Social Implications (GELSI) of digital innovation. The EOI should include three documents (all in English): 1. a letter (ca. 500 words), including relevant details about personal motivation, relevant skills, experience, and a link to a Google Scholar profile; 2. a short CV (max 3 pages), including a list of publications; and 3. a short (ca. 1,000 words) outline of the proposed research project about digital sovereignty and the GELSI of digital innovat
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Il 19 marzo del 1850, Charlotte Brönte scrive una lettera a William Smith Williams, l’editore presso Smith Elder che per primo aveva riconosciuto in lei una straordinaria scrittrice. Williams le ha inviato alcuni libri da leggere, e lei, nel ringraziarlo, usa una frase divenuta famosa e che oggi troviamo citata ovunque: “la felicità non condivisa può a malapena essere chiamata felicità. Non ha sapore/gusto.” (Happiness quite unshared can scarcely be called happiness—it has no taste). Per le persone misantrope e asociali, o anche semplicemente un po’ solitarie, che ritengono che la solitudine sia l’unica felicità (beata solitudo, sola beatitudo), l’affermazione sembra del tutto errata. Eppure, è difficile non riconoscere che esiste un tipo di felicità che richiede la sua condivisione per essere goduta a pieno e non restare incompleta. Non si tratta della felicità intesa come contentezza. Come si sa, questa fa riferimento allo stare bene con se stessi e con la propria vita, in pace con l
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Gauss Professorship

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The Wikileaks phenomenon is intricate, but suppose we reduce its ethical evaluation to two questions: is whistleblowing ethical, even when motivated by resentment and the desire to harm its target? And is Wikileaks’ facilitation of whistleblowing ethical, even if it might put at risk innocent people? A deontologist, convinced that telling the truth and never lying is an absolute must, is likely to appreciate whistleblowing as the right thing to do, independently of the reasons behind it. And a consequentialist may support Wikileaks as a means to maximise the welfare of the largest number of people, especially if risks are minimized by censuring sensitive information. So current answers in the mass media seem to converge: Wikileaks is a good thing. I am not entirely convinced. Confidential communication is a three-player game – sender, receiver and referent – in which sender and receiver trust each other. The receiver, not the referent, trusts and holds responsible the sender f
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