Turns out, altering bacteria from within could be the solution to antibiotic resistance.
In an ironic twist, researchers used viruses engineered with the CRISPR-Cas system to alter bacterial defense mechanisms and edit their genomes selectively in complex environments. Significantly, the novel approach may help address the pressing issue of antibiotic resistance.
Meletios Verras/iStock.
The CRISPR Conundrum
face_with_colon_three circa 2012.
A century after Albert Einstein came up with his theories of relativity, a constellation of Global Positioning System satellites is orbiting Earth, making practical use of his ground-breaking understanding of time.
If the discovery of the Higgs boson particle pans out, will even more mind-bending technologies result?
Theoretically, it’s possible, says Arizona State University physicist Lawrence Krauss; but practically, it’s unlikely.
Digital transformation has been positioned as a cure-all to many of the challenges today’s enterprises face. But to fully reap the benefits of a digital transformation, businesses need to do more than just adopt the latest tools and apps. They also have to change their attitudes, practices and processes around data and technology, throughout their own organization and in their interactions with partners and customers.
“Digital transformation requires a jump on the technology side, but it requires a leap on the people side,” says Bill Gundrey, executive director for digital engineering and operations at Raytheon Missiles & Defense. “At Raytheon, digital transformation is a team sport. It impacts every function in our company, as well as customers and suppliers. We had to change the way people think about data and technology.”
On Nov. 3 a solar storm caused a temporary crack in Earth’s magnetic field. The resulting hole enabled energetic particles to penetrate deep into the planet’s atmosphere and set off extremely rare pink auroras.
A terahertz camera based on an upconversion mechanism to the visible range can image both THz polarization state and field strength.
Posted in alien life, futurism
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Our future in the galaxy is typically envisioned as tied to the stars, be it on planets orbiting them or vast megastructures fueled by the alien suns, and yet the true future of humanity might be to dwell in the vast gulfs between the stars or even in a galaxy in which those stars have ceased to exist.
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To convert heat into electricity, easily accessible materials from harmless raw materials open up new perspectives in the development of safe and inexpensive so-called “thermoelectric materials.” A synthetic copper mineral acquires a complex structure and microstructure through simple changes in its composition, thereby laying the foundation for the desired properties, according to a study published in the journal Angewandte Chemie.
The novel synthetic material is composed of copper, manganese, germanium, and sulfur, and it is produced in a rather simple process, explains materials scientist Emmanuel Guilmeau, CNRS researcher at CRISMAT laboratory, Caen, France, who is the corresponding author of the study. “The powders are simply mechanically alloyed by ball-milling to form a precrystallized phase, which is then densified by 600 degrees Celsius. This process can be easily scaled up,” he says.
Thermoelectric materials convert heat to electricity. This is especially useful in industrial processes where waste heat is reused as valuable electric power. The converse approach is the cooling of electronic parts, for example, in smartphones or cars. Materials used in this kind of applications have to be not only efficient, but also inexpensive and, above all, safe for health.
A team of scientists from the University of Sciences and Technology of China has proposed a bold solution for the “measurement problem” in quantum mechanics, suggesting the eventual outcome for states of existence is determined by a “game” between the observer and nature.
For over a century, the quantum realm has imposed an abundance of bizarre obstacles along the road to understanding universal existence.
In the microscopic world of atoms and subatomic particles, nature demonstrates unparalleled strangeness, becoming unpredictable and operating in contrast to how it behaves at the macroscopic scale defined by classical physics.
With cost overruns and milestones not met, it is a wonder that NASA and Boeing aren’t headed for a divorce.
Agency budgetary report shows tens of billions spent on Boeing contracts that have yet to deliver. Much cheaper alternatives exist.
