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729 Flips | 5 Magazines | 298 Likes | 9 Followers | @penval | Keep up with penval on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “penval”

Improve Astrophotography Postproduction Using Photoshop's Dust and Scratches

You've spent all the time outside late at night, photographing the stars, and now, you have these images with all the potential and you're about to …

Tutorials

Crashed: How a Decade of Financial Crises Changed the World – review

George Osborne’s austerity meant treating a large section of the population as cattle whose market value had tanked<p>Every so often, humanity manages genuinely to surprise itself. Events to which we had previously assigned zero probability push us into what the ancient Greeks referred to as <i>aporia</i>: …

Economics

Rising sea levels leave Belgium’s St Tropez ‘fighting for its life’

It is known affectionately as Belgium’s answer to St Tropez – a town once frequented by Frank Sinatra and Marlene Dietrich and which has inspired the pop art of Keith Haring and surrealism of René Magritte, who painted the walls of the town’s casino.<p>But now the chic, if slightly faded, seaside …

Sea Level

Man Spends 40 Years Planting a Tree on Barren Island Every Day, Now It’s a Giant Forest

In 1979, Jadav Payeng—a then-16-year-old resident of Assam, India—made a startling discovery: several dead snakes scattered along the sandy banks of the Brahmaputra River's Majuli Island. Having been displaced by flooding, the creatures were then killed due to the island's lack of shade.<p>This …

Ecology

What You Found In 3 Million Russian Troll Tweets

Last week, FiveThirtyEight published nearly 3 million tweets sent by handles affiliated with the Internet Research Agency, a Russian “troll factory.” …

Internet

Your vegetables are going to be picked by robots sooner than you think

In the very near future, robots are going to be picking the vegetables that appear on grocery store shelves across America.<p>The automation revolution that’s arrived on the factory floor will make its way to the ag industry in the U.S. and its first stop will likely be the indoor farms that are now …

Farming

Understanding Photoshop's Fill Slider

It’s odd that there is a slider in Photoshop that is continuously in the forefront of the work we are doing, but it is almost never used. This video …

Tutorials

Two slits and one hell of a quantum conundrum

BOOKS AND ARTS<p>07 August 2018<p>Philip Ball lauds a study of a famous experiment and the insights it offers into a thoroughly maddening theory.<p>Philip …

Quantum Physics

Learn How to Photograph the Milky Way

Have you ever tried to photograph the Milky Way, but your photographs appear blurry, too dark, or too noisy? Well, watch this video by Mike Perea to …

Landscape Photography

Loopholes and the 'Anti-Realism' of the Quantum World

The theoretical physicist John Wheeler once used the phrase “great smoky dragon” to describe a particle of light going from a source to a photon …

Quantum Mechanics

The Semantic Web Comes of Age

How do you describe a business? What about a person, or an intellectual work? There’s an interesting little secret that people in IT likely know, but that doesn’t always get to the C-Suite. Programming, at its core, is all about creating models. Sometimes those models are of classes of things, …

Semantic Web

IoT boom will change how data is analysed

Deluge of data generated by Internet of Things will impact machine learning and the quality of data analysis, driving the need for such devices to …

Machine Learning

A roadmap for rapid decarbonization

The road to global decarbonization must involve renewable energy, as from these wind turbines in Germany, and improved transportation …

Fossil Fuels

How the UK's energy grid will cope with the electric car revolution

In the electric vehicle community, everyone has the same awkwardly distant relative. Whether they’re an uncle, aunt or grandparent, the certainty is …

Electric Vehicles

A Photographer’s Tips For Getting Perfect Photos Of The Night Sky

Look, we’ve all done it. Seen something beautiful in the sky — a particularly large, full moon, a meteor shower on a weekend camping trip, intergalactic aliens bent on stealing our water supply hurtling towards Earth — and pulled out our phones, excited to share this moment with our inner circle …

Landscape Photography

Physicists Are Testing a Mysterious Force That Exists Between Superconducting Wires

It could be the key to quantum gravity.<p>Two of the most bizarre phenomena in quantum physics have been brought together in a single experiment for the …

Quantum Physics

How To Fix Stagnant Wages: Dump The World's Dumbest Idea

We’re all drunks looking under the lamppost.”<br>—Aviv Nevo, professor of economics, University of Pennsylvania, speaking at the European Central Bank’s annual gathering of leading economists in Sintra, Portugal.<p>Today’s <i>New York Times</i> tells us that wages should be rising, since we live in a world in …

Economics

How To Fix A Damaged macOS Photos Library

My wife is the archivist who keeps all our family’s digital photos on her MacBook Air, and she uses the default macOS app to edit and manage them: Photos. Because this digital photo album is irreplaceable, it’s not only backed up the usual way (with Time Machine), I also manually copy the Photos …

Repairs

Astronomy Photographer of the Year shortlist delivers extraordinary perspectives

Running since 2009, the Insight Astronomy Photographer of the Year is one of the world's most exciting astrophotography competitions with a grand …

Photography

Climate change is happening right before our eyes and here’s the proof

Two maps illustrate how climate change predictions are ‘coming true before our eyes’.<p>They show global temperatures now, compared to during a …

Climate Change

Lowered Expectations: We're No Further Along With Digital Transformation Than In 2012

When the concept of “digital transformation” came on the scene in the early 2010s, executives had visions of seamless electronic interactions replacing cumbersome manual processes. Many are still waiting for that result, a recent survey suggests.<p>On average, 39% of business leaders today say they …

Innovation

The Peculiar Math That Could Underlie the Laws of Nature

New findings are fueling an old suspicion that fundamental particles and forces spring from strange eight-part numbers called “octonions.”

Physics

Microgrids Hold The Key To Providing Power For All

United Nations delegates met in New York in July to assess how much progress has been made towards meeting the Sustainable Development Goals, a set of 17 aims to end poverty, protect the planet and ensure that all people enjoy peace and prosperity that were signed by 193 countries.<p>This year, the …

Renewable Energy

What Is (And Isn't) Scientific About The Multiverse

The Universe is all there ever was, all there is, and all there will ever be. At least, that’s what we’re told, and that’s what’s implied by the word “Universe” itself. But whatever the true nature of the Universe actually is, our ability to gather information about it is fundamentally limited.<p>It’s …

Dark Matter

Every Tiny Speck of Light in This Image Is a Galaxy

To help us grok the immensity of the cosmos, the European Space Agency has released a remarkable image of space in which every point is an entire …

Universe

We are a deeply stupid country

My fellow Americans, we are a deeply stupid nation.<p>I know this must be the case because President Trump has repeatedly informed us that we are a “stupid country” — he offered this opinion on at least nine occasions since he launched his campaign for the presidency — and he should know. As he …

Donald Trump

Archaeologists and astronomers solve the mystery of Chile's Stonehenge

Growing up on the edge of the Atacama desert in northern Chile, Jimena Cruz was often made to feel ashamed of her indigenous identity.<p>On visits to nearby petroglyphs, her father would explain their history, while her mother situated them in legend. “I always had this relationship between the …

South America

An "Asteroid" Discovered Last Year Just Turned Out to Be Something Way Cooler

Double the fun!<p>An asteroid discovered orbiting the Sun in December last year has revealed a fun surprise: it's not one asteroid, but two, locked in …

11 outstanding images from a new show celebrating the incredible heights that landscape photography can reach

A new exhibition shows how modern technology has pushed landscape photography to undreamt-of levels, as the magnificent images on this page show. But …

Meet The Unknown Immigrant Billionaire Betting Her Fortune To Take On Musk In Space

Even in the bloated-budget world of aerospace, $650 million is a lot of money. It’s approximately the price of six of Boeing’s workhorse 737s or, for the more militarily inclined, about the cost of seven F-35 stealth fighter jets. It’s also the amount of money NASA and the Sierra Nevada Corp. spent …

Space Exploration