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Superhard materials can slice, drill and polish other objects. They also hold potential for creating scratch-resistant coatings that could help keep expensive equipment safe from damage.

Now, science is opening the door to the development of new materials with these seductive qualities.

Researchers have used computational techniques to identify 43 previously unknown forms of carbon that are thought to be stable and superhard—including several predicted to be slightly harder than or nearly as hard as diamonds. Each new carbon variety consists of carbon atoms arranged in a distinct pattern in a crystal lattice.

Once the realm of science fiction, voice-mimicking software is now “well within the range of any lay criminal who’s got creativity to spare,” one cybersecurity expert said.

Imperial College London biomedical materials scientist Molly Stevens teamed up with Massachusetts Institute of Technology biomedical engineer Sangeeta Bhatia to develop the approach, which they think has the potential to help patients in low-resource and rural areas, where available medical technology may be limited. Stevens specializes in low-cost catalyst-based diagnostics and Bhatia works on creating nanosensors that respond to enzymatic activity. The two combined their expertise to create nanoparticle-protein complexes that, once injected, can reveal the presence of disease-related enzymes through a simple urine test.

Sensor turns urine blue in the presence of tumor-related enzymes.

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Facebook’s Developer Circles are local communities designed to help developers learn and grow. For the 2019 Developer Circles Community Challenge, you are invited to build software applications that use at least one of three featured technologies: React360, Spark AR, and/or HTML5 Games. Your software must also fit into one of three categories: Gaming and Entertainment, Productivity and Utility, or Social Good.

Build software using React360, Spark AR, or HTML5 Games to give people the power to connect with friends and family, find communities and grow businesses.

“The creation of AGI will be the most important technological development in human history, with the potential to shape the trajectory of humanity,” said OpenAI CEO Sam Altman.

Using a global network of computers, mathematicians have finally solved a decades-old math conundrum — and possibly the meaning of life.

SAN JOSE DEL GUAVIARE, COLOMBIA — Cerafín Méndez was out drinking one night when a fight broke out with his neighbor. The next day, three FARC soldiers came for him, bound his hands, and led him away.

That was the last time his family would see him alive.

Continue reading “Searching for the 80,000 Disappeared in Colombia’s Brutal Civil War” »

Optical microresonators convert laser light into ultrashort pulses travelling around the resonator’s circumference. These pulses, called “dissipative Kerr solitons,” can propagate in the microresonator maintaining their shape.

When solitons exit the microresonator, the output light takes the form of a pulse train—a series of repeating pulses with fixed intervals. In this case, the repetition rate of the pulses is determined by the microresonator size. Smaller sizes enable pulse trains with high repetition rates, reaching hundreds of gigahertz in frequency. These can be used to boost the performance of optical communication links or become a core technology for ultrafast LiDAR with sub-micron precision.

Exciting though it is, this technology suffers from what scientists call “light-bending losses”—loss of light caused by structural bends in its path. A well-known problem in fiber optics, light-bending loss also means that the size of microresonators cannot drop below a few tens of microns. This therefore limits the maximum repetition rates we can achieve for pulses.

Check out the CRAZIEST Cases Of MIND CONTROL In Nature! From brain controlled robot beetles to ants getting mind controlled by parasitic wasps, this top 10 list of amazing mind control techniques will shock you!

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