Physics

Defying The Laws Of Physics? Engineers Demonstrate Bubbles Of Sand

The flow of granular materials, such as sand and catalytic particles used in chemical reactors, and enables a wide range of natural phenomena, from mudslides to volcanos, as well as a broad array of industrial processes, from pharmaceutical...
Related topics: Volcanoes

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Wakeup Call: Pervasiveness Of Sexual Harassment And Its Effect On Female Physics Students

A survey of 471 undergraduate women who attended the 2017 American Physical Society's Conferences for Undergraduate Women in Physics (CUWiP) revealed that sexual harassment in physics is insidious and experienced at a significantly higher rate than...
Related topics: Polls

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Supercooled Water In “snowball Chamber” Might Be Able To Find Dark Matter

Enlarge / Still photograph of supercooled water turning into snow, shot on an iPhone camera at 120 FPS slow-motion. (credit: Matthew M. Szydagis) Like many people, physicist Matthew Szydagis has been amused by all those YouTube videos showing...
Related topics: Iphone, Youtube, Science Videos

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Particle Learning System Could Help Robots Make Sushi

There have been many attempts at teaching robots how to grab delicate objects, but they tend to rely on rough approximations that quickly fall apart in real life. MIT researchers may have a better solution: teach robots to predict how even the...
Related topics: Robots

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Making Sense Of Quantum Mechanics

Philosopher David Albert thinks there might be a “clear and straightforward” way of thinking about quantum phenomena -- Read more on ScientificAmerican.com
Related topics: Quantum

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Why Haven’t We Evolved A Solution To Aging?

Reconciling the apparent paradox between the optimizing drive of evolution, and the inevitable deterioration of the body. Life pits the order and intricacy of biology against the ceaseless chaos of physics. The second law of thermodynamics, or the...

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Thermodynamic Magic Enables Cooling Without Energy Consumption

Physicists have developed an amazingly simple device that allows heat to flow temporarily from a cold to a warm object without an external power supply. Intriguingly, the process initially appears to contradict the fundamental laws of physics.

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'einstein's Unfinished Revolution' Looks At The Quantum-physics-and-reality Problem

A century after the birth of quantum mechanics, no one is sure what it is telling us about the nature of reality — and Lee Smolin's book adds to a stream of excellent works on the topic.(Image credit: Bettmann Archive)
Related topics: Albert Einstein, Quantum

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Using The Physics Of Airflows To Locate Gaseous Leaks More Quickly In Complex Scenarios

Engineers are developing a smart robotic system for sniffing out pollution hotspots and sources of toxic leaks. Their approach enables a robot to incorporate calculations made on the fly to account for the complex airflows of confined spaces rather...
Related topics: Robots

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Coincidence Helps With Quantum Measurements

Through randomly selected measurements, physicists can determine the quantum entanglement of many-particle systems. With the newly developed method, quantum simulations can be extended to a larger number of quantum particles. Researchers now report...
Related topics: Quantum

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This Mit Team Is Reinventing Building By Looking At The Ancient World

Using some clever physics, designers figured out how humans could move 1,000-pound concrete slabs on their own. Today, construction workers rely on cranes to lift the big slabs of concrete and other materials that go into many commercial building...

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New Book Traces Expeditions To Test Einstein's Theory Of Relativity

No Shadow of a Doubt, a new book by Daniel Kennefick, associate professor of physics at the University of Arkansas, tells the story of two research teams, organized by Arthur Stanley Eddington and Sir Frank Watson Dyson, who tested Einstein's theory...
Related topics: Albert Einstein, Relativity

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Sexual Quantum Meruit

Say that paying for sex is legal, and a sexual transaction is made with the expectation of payment but no prearranged fee. Then there might be a lawsuit on a sexual quantum meruit theory, which might also be called (click "READ MORE" for a...
Related topics: Quantum, Lawsuits

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Cebaf Turns On The Charm

The world's most advanced particle accelerator for investigating the quark structure of the atom's nucleus has just charmed physicists with a new capability. The production of charm quarks in J/ψ (J/psi) particles by CEBAF at the Department of...

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Recovered Carbon Black For Multicolour Fluorescence Displays

NUS physicists have discovered that recovered carbon black powder can be transformed by laser treatment to give a wide range of colours for potential display applications.
Related topics: Scientific Discoveries, Laser

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Luminescing Nanosized Crystals Are Showing Promise For Peering Deeply Into Body Tissues

Investigations of 'quantum dots' for looking deeply into body tissues are rapidly evolving, but more work is required to ensure they are safe, according to a review published in the journal Science and Technology of Advanced Materials.
Related topics: Quantum

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Spin Flipper Upends Protons

Protons spin. It's an intrinsic property that can affect experiments at accelerators that use beams of protons. Yet flipping proton spins could offer insights into nuclear physics experiments that study the first moments of the universe in a...

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Giving Robots A Better Feel For Object Manipulation

A new learning system improves robots' abilities to mold materials into target shapes and make predictions about interacting with solid objects and liquids. The system, known as a learning-based particle simulator, could give industrial robots a...
Related topics: Robots

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Watch Now: Einstein's Scientific Revolution And The Limits Of Quantum Theory

Cosmologist Lee Smolin says that at certain key points, the scientific worldview is based on fallacious reasoning -- Read more on ScientificAmerican.com
Related topics: Albert Einstein, Quantum

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Direct Imaging Of Active Orbitals In Quantum Materials

In quantum materials based on transition metals, rare-earth and actinide elements, electronic states are characterized by electrons in orbitals d and f, combined with the solid's strong band formation. Until now, to estimate the specific orbitals...
Related topics: Quantum, Electrons

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