An effective navigation system would improve the mobility of millions of blind people all over the world. A new "eye" developed by scientists in Japan will allow blind people to cross busy roads in total safety for the first time.
The "electronic eye", which would be mounted on a pair of glasses, will be capable of detecting the existence and location of a pedestrian crossing, and at the same time measure the width of the road to the nearest step and detect the colour of the traffic lights. This research appears today (19th November) in the journal Measurement Science and Technology published by the UKs Institute of Physics.
Tadayoshi Shioyama and Mohammad Uddin, from the Kyoto Institute of Technology in Japan, have developed a system that is able to detect the existence of a pedestrian crossing in front of a blind person using a single camera. When combined with two other techniques the authors have produced, for measuring the width of the road and the colour of traffic lights, a single camera can now give the blind all the information they need to cross a road in safety.
David Reid | 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.
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