Guus

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The Greatest Mistake In The History Of Physics

We all love our most cherished ideas about how the world and the Universe works. Our conception of reality is often inextricably intertwined with our ideas of who we are. But to be a scientist is to be prepared to doubt all of it each and every time we put it to the test. All it takes is one …

History of Science

Reflection forbidden and refraction reversed in an artificial crystal

At the interface between two facets of an artificial crystal, sound waves can be transmitted in the opposite direction to that expected, and undergo …

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.”

Here’s how to hack an Ikea lamp and transform it into a mixed-reality projector

Do you have access to an Ikea lamp, a 3D printer, a few electronics components, and a bit of free time? If so, you could hack together a pretty …

Sketching

Scientists Calculate the Pressure Inside a Proton and It's Higher Than in a Neutron Star

The pressure inside the particles that make up every atom in the universe could be greater than the pressure inside the densest stars, according to a …

Physics

Non-Gaussian Correlations between Reflected and Transmitted Intensity Patterns Emerging from Opaque Disordered Media

Author(s): I. Starshynov, A. M. Paniagua-Diaz, N. Fayard, A. Goetschy, R. Pierrat, R. Carminati, and J. BertolottiNew experiments show previously …

Quantum Physics

The hidden math behind your DMV’s eye test

That familiar eyesight chart revolutionized vision testing, and we went to ridiculous lengths to test it out<p>At least once in your life, you must have squinted at the eye chart at the doctor’s office or DMV, trying to make out the blurry bottom line. The test seems simple enough, right? Read a …

This Timeline Shows The Entire History of The Universe, And Where It's Headed

This is how we'll die.<p>If you're the type of person who sometimes wakes up at 3am and lies in bed trying to wrap your tiny mind around the achingly …

The Puzzle Of Quantum Reality

There's a hole at the heart of quantum physics.<p>It's a deep hole. Yet it's not a hole that prevents the theory from working. Quantum physics is, by any measure, astonishingly successful. It's the theory that underpins nearly all of modern technology, from the silicon chips buried in your phone to …

Physics

Even Fibonacci numbers (Python vs. JavaScript)

Generating the Fibonacci sequence in some form is a popular technical interview problem for employers. One variation of the popular Fibonacci number …

World's Largest Telescope To Finally See Stars Without Artificial Spikes

When you look out at the greatest images of the Universe, there are a few sights that light up our memories and fire our imaginations. We can see the planets in our own Solar System to incredible detail, galaxies lying millions or even billions of light years away, nebulae where new stars are being …

Scientists discover how to distinguish beams of entangled photons

A team from the Faculty of Physics, MSU, has developed a method for creating two beams of entangled photons to measure the delay between them. In the …

Artificial eye flexes muscle to do what the human eye can't

Harvard has reported a breakthrough flat artificial eye just 30 microns in depth which can exceed the capabilities of the human eye. The technology, …

Nanotech

Odd eye: Why human vision is tuned to distinguishing the colours red and green

Humans indicate emotions through colour changes to their faces relating to blood flow. Is this behind the evolution of our vision?<p>Most mammals rely …

Monkeys

Why Brainstorming Groups Kill Breakthrough Ideas (and What to Do Instead)

In a nutshell, they simply don't work.<p>Over a half a century ago, Alex Osborne wrote an influential book called <i>Applied Imagination</i> that opined that "the average person can think up twice as many ideas when working with a group than when working alone." Managers must have been convinced because …

Physicists Just Found a New Way to Bend a Fundamental Rule of Light Waves

This is incredible.<p>One of the more well-known rules in physics is that light can only ever go one speed, so long as nothing stands in its way.<p>But new …

New Class of Light-Bending Material Spun With DNA and Gold Nanoparticles Can Achieve First Real-Life Invisibility Cloak

Tech & Science Physics Chemistry Star Trek Nanoparticles light invisibility DNA optics<p>In a huge achievement spanning both chemistry and physics, …

In 6 Words, Elon Musk Explained Why So Many People Are Afraid to Take Risks and Achieve Greatness

It's the most rational reason imaginable--but it can lead to a boring, ordinary life.<p><i>This series examines the stories behind some of the best inspiring quotes of all time. Check out the full list: the best inspirational quotes for 2018.</i><p>The most powerful threat to greatness isn't evil. It's …

One Big Family: This Beautiful Interactive Diagram Shows How Every Organism Is Related

Want to start the New Year with a little bit of perspective? Take a look at this beautiful interactive tree of life diagram created by Evogeneao, which enables you to see how all organisms on earth are related, from humans all the way to ancient bacteria. The point of this immersive map, say the …

Dive into the Mind-Boggling Math of Tessellating Pentagons

Children’s blocks lie scattered on the floor. You start playing with them—squares, rectangles, triangles and hexagons—moving them around, flipping …

This Game Teaches You How to Build a Quantum Computer

Learning about how quantum computers work doesn’t have to be boring.<p>2017 has been a great year for quantum computing. Researchers created a time crystal that will one day serve as a quantum computer’s internal clock, managed to predict the future of a quantum system, put the first node of the …

New metallic glass material created by starving it of nuclei

Metallic glass is an emerging type of material, so its secrets are still being discovered. While working with the stuff, a team of Yale researchers …

Nature Communications

Here's What a 270 Year-Old Mathematical Formula Can Teach You About Innovation

Discovery necessarily resides in the realm of the unknown<p>Accountants tell us that numbers don't lie, because for them numbers are the same as facts. Mathematicians see it differently though. They see numbers as abstract representations of reality that, when combined with other numbers, have an …

Can you hear this silent gif bouncing? Here’s why

The phenomenon may be more common than we think<p>Look at this GIF. There’s no sound, but most people who see it hear a “thudding” in their head each time the bouncing structure hits the ground. Why?<p>The answer has to do with how our senses work, says Christopher Fassnidge, a doctoral candidate in …

Get Ready for a Schooling in Angular Momentum

It's almost always the last topic in the first semester of introductory physics—angular momentum. Best for last, or something? I've used this concept …

Affordable new device uses solar energy to produce hydrogen and electricity

Researchers at the University of California Los Angeles (UCLA) have advanced the field of hydrogen power by creating a hybrid device that uses solar …

Spin: The Quantum Property That Should Have Been Impossible

In the early 1920s, physicists were first working out the mysteries of the quantum Universe. Particles sometimes behaved as waves, with indeterminate positions, momenta, energies, and other properties. There was an inherent uncertainty to a great many properties that we could measure, and …

Quantum Physics

Magic Leap is experimenting with light-bending nanomaterials

"Metamaterials" that color butterfly wings could improve optical displays.<p>Mixed reality company Magic Leap is cagey with its tech, to say the least. However, it has released a research paper in conjunction with Berkeley Lab that hints on what it's doing. The team developed new materials that can …

Engineering

3 of Nature’s Greatest Mysteries May Be Solved Thanks to Quantum Biology

Quantum mechanics is known for weird occurrences and bizarre outcomes. Consider superposition where a particle can be in two places at once, while …

Tesla battery expert recommends daily charging limit to optimize durability

Like owners of gas-powered cars, electric car owners can adopt driving and ownership habits to prolong the useful life of their vehicles.<p>Simple habits, like not driving a vehicle too hard or rotating the tires regularly, are common to gas-powered and electric cars, but some habits are new and only …