May 17, 2019
Focus: Longer Movies at Four Trillion Frames per Second
Posted by Genevieve Klien in category: futurism
A new technique produces long-lasting movies of nonluminous objects with just a few hundred femtoseconds between frames.
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May 17, 2019
An experiment hints at quantum entanglement inside protons
Posted by Quinn Sena in categories: particle physics, quantum physics
Protons are complicated. The subatomic particles are themselves composed of smaller particles called quarks and gluons. Now, data from the Large Hadron Collider hint that protons’ constituents don’t behave independently. Instead, they are tethered by quantum links known as entanglement, three physicists report in a paper published April 26 at arXiv.org.
Quantum entanglement has previously been probed on scales much larger than a proton. In experiments, entangled particles seem to instantaneously influence one another, sometimes even when separated by distances as large as thousands of kilometers (SN: 8/5/17, p. 14). Although scientists suspected that entanglement occurs within a proton, signs of that phenomenon hadn’t been experimentally demonstrated inside the particle, which is about a trillionth of a millimeter across.
“The idea is, this is a quantum mechanical particle which, if you look inside it, … it’s itself entangled,” says theoretical physicist Piet Mulders of Vrije Universiteit Amsterdam, who was not involved with the research.
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Circa 2016
Richard T. Forman and Jianguo Wu call for global and regional approaches to urban planning.
May 17, 2019
The Future of Commercial Travel
Posted by Quinn Sena in categories: futurism, transportation
When the Wright brothers pioneered their first flight in 1903, they dreamed of transforming the way our world connected. It’s safe to say they would be astonished at the progress of aviation. From that 59 second flight traveling a distance of 852 feet, we have established a world where there is an airport in nearly every major city, giving people the opportunity to see the globe in ways the Wright Brothers dreamed of.
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May 17, 2019
Giant Flow Batteries Could Power Your City In The Future
Posted by Quinn Sena in categories: energy, futurism
May 17, 2019
Scientists Created This Organism’s DNA From Scratch
Posted by Quinn Sena in categories: biotech/medical, genetics
For the first time, scientists have created life with genetic code that was developed from scratch.
A University of Cambridge team created living, reproducing E. coli bacteria with DNA coded entirely by humans, according to The New York Times. The new bacteria look a little wonky, but they behave more or less the same as natural E. coli. Learning to rebuild genomes from scratch could teach scientists how DNA originally came to be — and how we can manipulate it to create new life.
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May 17, 2019
Researchers develop electric field-based dressing to help heal wound infections
Posted by Quinn Sena in categories: biotech/medical, engineering, life extension
Researchers at Indiana University School of Medicine have found a way to charge up the fight against bacterial infections using electricity.
Work conducted in the laboratories of the Indiana Center for Regenerative Medicine and Engineering, Chandan Sen, Ph.D. and Sashwati Roy, Ph.D. has led to the development of a dressing that uses an electric field to disrupt biofilm infection. Their findings were recently published in the high-impact journal Annals of Surgery.
Bacterial biofilms are thin, slimy films of bacteria that form on some wounds, including burns or post-surgical infections, as well as after a medical device, such as a catheter, is placed in the body. These bacteria generate their own electricity, using their own electric fields to communicate and form the biofilm, which makes them more hostile and difficult to treat. The Centers for Disease Control and Prevention estimates 65 percent of all infections are caused by bacteria with this biofilm phenotype, while the National Institutes of Health estimates that number is closer to 80 percent.
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May 17, 2019
Ancient Wads of ‘Chewing Gum’ Hold the Oldest Human DNA in Scandinavia
Posted by Quinn Sena in category: biotech/medical
May 17, 2019
Physicists Create Quantum-Scale “Mona Lisa,” Just for Funsies
Posted by Quinn Sena in category: quantum physics
May 17, 2019
NIST team demonstrates heart of next-generation chip-scale atomic clock
Posted by Quinn Sena in categories: computing, particle physics, satellites
Physicists at the National Institute of Standards and Technology (NIST) and partners have demonstrated an experimental, next-generation atomic clock—ticking at high “optical” frequencies—that is much smaller than usual, made of just three small chips plus supporting electronics and optics.
Described in Optica, the chip-scale clock is based on the vibrations, or “ticks,” of rubidium atoms confined in a tiny glass container, called a vapor cell, on a chip. Two frequency combs on chips act like gears to link the atoms’ high-frequency optical ticks to a lower, widely used microwave frequency that can be used in applications.
The chip-based heart of the new clock requires very little power (just 275 milliwatts) and, with additional technology advances, could potentially be made small enough to be handheld. Chip-scale optical clocks like this could eventually replace traditional oscillators in applications such as navigation systems and telecommunications networks and serve as backup clocks on satellites.
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