A holographic model solves a cosmological mystery (2017)
- They wanted to compare fluctuations across vast regions of the sky, known as low multipole moments, with the predictions of the standard cosmological model and a model that’s somewhat stranger, a holographic one.
- In the holographic view of cosmology, early inflation is driven by interactions of the quantum field, which would slightly change the appearance of the cosmic microwave background.
- If the holographic principle is true, then the universe can be viewed in two different ways: one of space and volume as we intuitively experience it, and one of a “surface” with one less dimension.
- However, in the early moments of cosmic time, when the universe was hot and dense, the gravitational fields of relativity were strong, so quantum fields of the holographic view might be easier to deal with.
Nature to join open-access Plan S, publisher says
- After a change in the rules of the bold open-access (OA) initiative known as Plan S, publisher Springer Nature said on 8 April that many of its non-OA journals — including Nature — were now committed to joining the plan, pending discussion of further technical details.
- In November 2018, Coalition S funders clarified that they would not bar publication of OA papers in hybrid journals, but would not pay to cover those costs — making this an unattractive route for scientists — unless the journals formed part of certain ‘transformative agreements’ negotiated between large publishers and libraries or university consortia.
- Under rules announced on 8 April — after negotiation between Coalition S and publishers — funders said this means that a journal must explicitly state it is transitioning to full OA; grow its OA content by 5% in absolute terms year on year; and flip to full OA once its open content surpasses 75%.
- At runtime, Node.js implements this by wrapping the code inside the file into a function, then passes the exports variable, module variable, and require function through arguments.
- UMD (Universal Module Definition, https://github.com/umdjs/umd) is a set of tricky patterns to make your code file work in multiple environments.
- The argument evaluation detects the environment (the module variable and exports variable of CommonJS/Node.js, as well as the define function of AMD/RequireJS).
- If the environment is CommonJS/Node.js, the anonymous function’s argument is a manually created define function.
- If the environment is AMD/RequireJS, the anonymous function’s argument is just AMD’s define function.
- Inside the anonymous function, it simply calls the define function to create the module.
- For older environments, you can still code with the new ES module syntax, then use Webpack/Babel/SystemJS/TypeScript to transpile to older or compatible syntax.
The software industry's greatest sin: hiring
- By contrast, when a developer is hired, it is incredible the extent to which the process will ignore the human being and focus exclusively on algorithmic/technical aspects.
- One of the most common ways I see technically excellent developers fail is they're so obsessed with writing code they fail to understand they're building things nobody cares about or will use.
- We need to fully internalize that being a great software developer is wholistic and draws on abilities ranging from, yes, technical skill, but also empathy, experience, taste, grit, perseverance, and independence.
- Being a great software developer is multi-disciplinary and we need to actively and vigorously reject the notion that just being good at "cutting code" and inverting a binary tree is the end of the story and is therefore the only axis on which to assess people who work in teams and build products for other human beings.
The Global Dollar Short Squeeze
- Nations, especially emerging markets, try to offset this dollar short risk by holding foreign-exchange reserves, primarily in the form of dollars.
- Under the current global monetary system that came into effect in 1971, the dollar has had three major cycles of weakness and strength, and each one of these cycles of strength has caused a global short squeeze, leading to financial crises, and impeding growth until resolved.
- In general, they had high dollar-denominated debts and little foreign-exchange reserves to support those debts, so when the dollar strengthened, their effective short positions on the dollar (by borrowing in dollars but receiving income in local currencies) received a metaphorical margin call.
- The U.S. housing and banking system was the epicenter of the global financial crisis in 2008, and the Fed used a few rounds of quantitative easing (i.e. expanding the monetary base to buy U.S. government debt and other securities) in the aftermath, which kept its currency relatively weak due to plentiful supply.
Value Before Solution
- In this article, I'll show you what the #valuefirst mindset is, how you - as a developer, digital entrepreneur or maker - can apply it, and I show you different ways of adding value besides coding tailored software solutions.
- As I got down my career path, I found out that diving going straight for the problem and thinking about the solution so you can define the answer and go at it in code behind your laptop might just not be the best way to go at it.
- I’m just saying that going to meet with people and assuming that a custom developed solution is going to provide them with the most value isn’t the best way to assure they get the most value.
🐋 Docker Cheat Sheet [PDF + Infographic]
- Docker is a fantastic tool designed to make it easier to create, deploy, and run applications by using containers.
- Here's a cheat-sheet to help you remember common docker commands.
- It's going good.
- I dig the Git cheat sheet as well.
- I've started getting my hands dirty in devops recently it's really fun.
- Be a better developer.
- Free forever.
- We're a place where coders share, stay up-to-date and grow their careers.
- We strive for transparency and don't collect excess data.
What happens when pilots don't get their flying hours?
- To help alleviate the pressure accumulating from the potential expiration of the pilots' medical certificates and ratings (additional elements of the pilot's license that allows them to fly specific types of aircraft), time extensions are being granted worldwide by regulatory authorities.
- Across Europe, the EU Aviation Safety Agency, or EASA, has extended the deadlines for certain requirements on condition that each airline comes up with a detailed pilot training plan that the agency will assess.
- Joji Waites, flight safety specialist at BALPA, tells CNN that his organization is ensuring that the few crew that are still flying (on cargo, medical, repatriation, and a few scheduled services) are equipped with protective kits where necessary, and checking that aircraft are properly cleaned.
10 million students in China are facing the toughest exam of their lives in a pandemic
- Hong Kong (CNN) - Every day, student Xiong Yanfei sits at her desk in her parent's small apartment in Wuhan, studying for an exam that could change the course of her life.
- Every year, millions of high school students and vocational trainees across China sit the college entrance exam, known colloquially as the "gaokao," or big exam.
- While high school seniors in more than a dozen provinces have returned to school, students in many other places, such as Beijing, Shanghai, Guangdong and Hubei, are still waiting to go back and studying online, according to state news agency Xinhua.
- But Li Yongjun, whose daughter Ruoran is currently studying for the exam in Beijing, said the postponement meant another "month of torment" for the millions of parents like him.
Cooking pasta by the ton is just one way these CNN Heroes are persevering during the pandemic
- Some CNN Heroes now find their efforts are needed more than ever, and they're coming up with new ways to be there for their communities.
- He later started a nonprofit called The Phoenix that today provides free athletic activities and a sober support community to 26,000 people across the United States.
- When social distancing became the new normal and the group's gyms and in-person programs had to close, many participants found themselves without the community that helps them stay sober.
- Italian-born chef Bruno Serato and his non-profit, Catarina's Club, have fed nearly 4 million children in need over the past 15 years, he said.
- The organization has a 40,000-square-foot facility with aisles of food, rows of clothes and furniture free for those in need.
- The organization is also providing case management to help ease clients' anxiety around social isolation and food insecurity.