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The quantum superposition principle has been tested on a scale as never before in a new study by scientists at the University of Vienna in collaboration with the University of Basel. Hot, complex molecules composed of nearly two thousand atoms were brought into a quantum superposition and made to interfere. By confirming this phenomenon—” the heart of quantum mechanics,” in Richard Feynman’s words—on a new mass scale, improved constraints on alternative theories to quantum mechanics have been placed. The work will be published in Nature Physics.

Quantum to classical?

The superposition principle is a hallmark of quantum theory which emerges from one of the most fundamental equations of quantum mechanics, the Schrödinger equation. It describes particles in the framework of wave functions, which, much like water waves on the surface of a pond, can exhibit interference effects. But in contrast to water waves, which are a collective behavior of many interacting water molecules, quantum waves can also be associated with isolated single particles.

#UNGA : Address by France’s President Emmanuel Macron.

Circa 2011

Imagine shirts, pants or socks that clean and remove unpleasant smells themselves when hung on your balcony – how would that be? If you ask me, few things could be better!

Continue reading “Never wash your clothes again: cotton fabric cleans itself when exposed to sunlight” »

The brand claims it’s the first luxury battery electric vehicle promising both autonomous and zero-emissions driving, with an opulent touch.

The car will be powered by two electric motors, which will be mounted on its floor, one on each axle, freeing up a considerable amount of space in the shell for the occupant to enjoy.

The concept features gesture and voice control systems, a levitating key, which will work as the driver’s own personal assistant, rotating seats and premium materials.

Boston Dynamics is putting Spot to work. The company has announced a new leasing program for its Spot robot (formerly SpotMini), which is aimed at construction, entertainment, and other automation-friendly industries. But is the world ready for this semi-autonomous quadruped?

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Continue reading “Boston Dynamics Spot hands-on: new dog, new tricks” »

The ability to create synthetic organs has long been desired in medicine. If we could make synthetic organs for patients from their own cells, we could replace injured or damaged organs without risking the body rejecting the organ. This would have huge implications for the treatment of liver and kidney diseases, among others. For years, scientists have tried to perfect this technology but have been unable to solve the blood flow problem that has made the creation of synthetic organs impossible.

In the last few weeks, a group of scientists appear to have found the solution to this problem or, at least, a major part of it [1].

Atlas uses its whole body — legs, arms, torso — to perform a sequence of dynamic maneuvers that form a gymnastic routine. We created the maneuvers using new techniques that streamline the development process. First, an optimization algorithm transforms high-level descriptions of each maneuver into dynamically-feasible reference motions. Then Atlas tracks the motions using a model predictive controller that smoothly blends from one maneuver to the next. Using this approach, we developed the routine significantly faster than previous Atlas routines, with a performance success rate of about 80%. For more information visit us at www.BostonDynamics.com.

A record-breaking experiment shows an enormous molecule is also both a particle and a wave—and that quantum effects don’t only apply at tiny scales.