More Internet information means more disinformation,warns a Dartmouth engineering professor
Why is the stock market fluctuating wildly these days? Is it poor earnings reports? Is it questionable accounting practices or CEO inefficiency? Or do investors trade frantically after theyve read something on the Internet? If an investor reads a seemingly authoritative report about a companys performance, he or she might be influenced to buy or sell stock.
Sometimes what seems to be a respected source of reliable information is actually a clever scheme to manipulate people, suggests Dartmouth Thayer School of Engineering Professor George Cybenko. This kind of "cognitive hacking" on the Internet could be contributing to the stock markets uncertainty, and it could shape our views in ways we dont even realize.
Sue Knapp | EurekAlert!
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
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In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
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In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
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