Peter Evans
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Articles by Peter Evans
Physical Grounds for Causal Perspectivalism
Abstract : We ground the asymmetry of causal relations in the internal physical states of a special kind of open and irreversible physical system, a causal agent. A causal agent is an autonomous physical system, maintained in a steady state, far from thermal equilibrium, with special subsystems: sensors, actuators, and learning machines.
Characterisation of magnetic relaxation on extremely long timescales
Characterisation of magnetic relaxation on extremely long timescales† William J. A. Blackmore, a Gemma K. Gransbury, a Peter Evans,a Jon G. C. Kragskow, a David P. Mills *a and Nicholas F. Chilton *a Abstract The use of magnetisation decay measurements to characterise very slow relaxation of the magnetisation in single-molecule magnets is becoming increasingly prevalent as relaxation times move to longer timescales outside of the AC susceptibility range.
Listening to music throughout the years
While listening to a favourite album on a streaming service the other day, I reflected on the virtual music smorgasbord I now have access to. I can think of almost any song or LP I used to listen to, type the title into the search box, and boom, there it is. It’s a long way from sitting around the radio hoping my favourite song will get played.
How philosophy turned into physics - and reality turned into information
The Nobel Prize in physics this year has been awarded “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”. Read more: Nobel prize: physicists share prize for insights into the spooky world of quantum mechanics To understand what this means, and why this work is important, we need to understand how these experiments settled a long-running debate among physicists.
How philosophy turned into physics and reality turned into information
The Nobel Prize in physics this year has been awarded "for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science." To understand what this means, and why this work is important, we need to understand how these experiments settled a long-running debate among physicists. And a key player in that debate was an Irish physicist named John Bell.
How philosophy turned into physics - and reality turned into information
The Nobel Prize in physics this year has been awarded “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science”. Read more: Nobel prize: physicists share prize for insights into the spooky world of quantum mechanics To understand what this means, and why this work is important, we need to understand how these experiments settled a long-running debate among physicists.
Are marine protected areas helping marine mammals and birds? Maybe, but more can be done
Our oceans are under pressure like never before, with over 60% struggling from the increasing impact of fishing, coastal activities and climate change. The harsh truth is that as we move towards 2022 only 3% of oceans are totally free from the pressure of human activity. The greatest impact appears to be on large-bodied animals such as marine mammals and birds, which cannot reproduce as quickly as smaller species.
Is Reality A Game Of Quantum Mirrors? A New Theory Suggests It Might Be
Imagine you sit down and pick up your favourite book. You look at the image on the front cover, run your fingers across the smooth book sleeve, and smell that familiar book smell as you flick through the pages. To you, the book is made up of a range of sensory appearances. But you also expect the book has its own independent existence behind those appearances.
Reality may be just a game of quantum mirrors
Imagine you sit down and pick up your favorite book. You look at the image on the front cover, run your fingers across the smooth book sleeve, and smell that familiar book smell as you flick through the pages. To you, the book is made up of a range of sensory appearances. But you also expect the book has its own independent existence behind those appearances.
Is Reality a Game of Quantum Mirrors? A New Theory Helps Explain Schrödinger’s Cat
Imagine you sit down and pick up your favorite book. You look at the image on the front cover, run your fingers across the smooth book sleeve, and smell that familiar book smell as you flick through the pages. To you, the book is made up of a range of sensory appearances. But you also expect the book has its own independent existence behind those appearances.
Is Reality a Game of Quantum Mirrors? A New Theory Suggests It Might Be
Imagine you sit down and pick up your favorite book. You look at the image on the front cover, run your fingers across the smooth book sleeve, and smell that familiar book smell as you flick through the pages. To you, the book is made up of a range of sensory appearances. But you also expect the book has its own independent existence behind those appearances.
Is Reality a Game of Quantum Mirrors?
Imagine you sit down and pick up your favourite book. You look at the image on the front cover, run your fingers across the smooth book sleeve, and smell that familiar book smell as you flick through the pages. To you, the book is made up of a range of sensory appearances.
Is reality a game of quantum mirrors? A new theory suggests it might be
Imagine you sit down and pick up your favourite book. You look at the image on the front cover, run your fingers across the smooth book sleeve, and smell that familiar book smell as you flick through the pages. To you, the book is made up of a range of sensory appearances. But you also expect the book has its own independent existence behind those appearances.
Quantum philosophy: 4 ways physics will challenge your reality
Imagine opening the weekend paper and looking through the puzzle pages for the Sudoku. You spend your morning working through this logic puzzle, only to realize by the last few squares there’s no consistent way to finish it. “I must have made a mistake,” you think. So you try again, this time starting from the corner you couldn’t finish and working back the other way. But the same thing happens again. You’re down to the last few squares and find there is no consistent solution.
Quantum Philosophy: 4 Ways Physics Will Challenge Your Reality
Shutterstock Imagine opening the weekend paper and looking through the puzzle pages for the Sudoku. You spend your morning working through this logic puzzle, only to realise by the last few squares there’s no consistent way to finish it. “I must have made a mistake,” you think. So you try again, this time starting from the corner you couldn’t finish and working back the other way. But the same thing happens again. You’re down to the last few squares and find there is no consistent solution.
4 Ways Physics Will Challenge Your Reality
Peter Evans The Conversation December 25, 2020 Imagine opening the weekend paper and looking through the puzzle pages for the Sudoku. You spend your morning working through this logic puzzle, only to realise by the last few squares there’s no consistent way to finish it. Read Full Article »
Quantum philosophy: 4 ways physics will challenge your reality
Imagine opening the weekend paper and looking through the puzzle pages for the Sudoku. You spend your morning working through this logic puzzle, only to realise by the last few squares there’s no consistent way to finish it. “I must have made a mistake,” you think. So you try again, this time starting from the corner you couldn’t finish and working back the other way. But the same thing happens again. You’re down to the last few squares and find there is no consistent solution.
Isolation and electronic structures of derivatized manganocene, ferrocene and cobaltocene anions
Abstract The discovery of ferrocene nearly 70 years ago marked the genesis of metallocene chemistry. Although the ferrocenium cation was discovered soon afterwards, a derivatized ferrocenium dication was only isolated in 2016 and the monoanion of ferrocene has only been observed in low-temperature electrochemical studies.
A double-dysprosocenium single-molecule magnet bound together with neutral ligands
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Science
The puzzling science behind the awakening of a powerful Yellowstone geyser Tara Yarlagadda Why did Steamboat wake up? Is it possible to recycle wrapping paper? An expert weighs in Kate S. Petersen This is not as simple as it seems. Splish Splash 12.31.2020 7:00 PM Researchers develop a critical fix for an increasingly thirsty world Tara Yarlagadda This could be a game-changer for water filtration.
A diarsagermylene and a diarsastannylene stabilised by arene⋯Ge/Sn interactions
The synthesis and structures of two new diarsatetrylenes {(Dipp)2As}2E are presented [E = Ge, Sn; Dipp = 2,6-diisopropylphenyl]. The high barrier to planarisation of As prevents stabilisation by As–E ?-interactions; however, arene?Ge/Sn interactions stabilise these compounds by up to 181.4 kJ mol?1. This represents a new stabilisation mode for this class of compounds.
Remembering a Twin Cities original - The Herald Palladium : Editorials
I am writing to honor of one of St. Joseph’s own, a man of whom we should all be proud. I was saddened to hear that Hardy Wolfe died in November 2016. To me he was so much more than violinist, comedian or craftsman. Why? I can answer by saying what he did for me. In 1981, I was a getting ready to enter high school. Youngest of six kids, parents divorced, living with Mom on a shoestring budget.
Comment expliquer les échouages massifs de cétacés ?
Fin 2015, 337 rorquals boréaux avaient ainsi trouvé la mort dans un fjord du Chili après l’échouage le plus massif connu pour cette espèce. De tels événements peuvent également se produire en Europe du Nord. En février 2017, 29 cachalots ont été retrouvés échoués sur les côtes allemandes, néerlandaises, britanniques et françaises, un autre record en mer du Nord pour cette espèce. Et ces dernières semaines, on déplore sur la façade atlantique de l’Hexagone un nombre alarmant de dauphins échoués.
WAY BACK WHEN IN WAYNE COUNTY: Many in Wayne County have Dutch roots
In late June, Town of Ontario Town Historian Liz Albright and I had the pleasure and opportunity to present at the New Netherland Institute program at the Country Club of Rochester.The title of the two-day event was “Digging For Our Dutch Roots.” This program was organized by the New Netherland Institute and Historic Brighton.
WAY BACK WHEN IN WAYNE COUNTY: ‘The year without summer’
None of the books on the local history shelf here in the office mention the summer of 1816, but many personal diaries and farm journals held in rare book repositories begin to reveal the story.The great chill began in 1815, however it didn’t hit with all the devastating effects until the spring and summer of 1816. Snow persisted into June with freezing temperatures. Frost was often experienced even in late August.
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