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Tuesday, 26 February 2019

High-powered fuel cell boosts electric-powered submersibles, drones

The transportation industry is one of the largest consumers of energy in the U.S. economy with increasing demand to make it cleaner and more efficient. While more people are using electric cars, designing electric-powered planes, ships and submarines is much harder due to power and energy requirements.

* This article was originally published here

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Signals from distant lightning could help secure electric substations

Side channel signals and bolts of lightning from distant storms could one day help prevent hackers from sabotaging electric power substations and other critical infrastructure, a new study suggests.

* This article was originally published here

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GM sued by union over plan to shut US plants

The United Auto Workers filed a lawsuit Tuesday seeking to block General Motors' plan to shutter three factories as part of a cost-cutting plan announced late last year.

* This article was originally published here

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Why photography fans are geeking out over assembly video of fisheye lens

The superstar of a fisheye lens emerged this month, shown in a video, where a team fashioned a custom fisheye lens that has a 270-degree field of view. Wow, as that was being dubbed as "insane" and "monster-like" but the descriptions were all conveyed with a wide-eyed measure of affection for Roger Cicala, founder of Lensrental.com.

* This article was originally published here

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Recognizing disease using less data

As artificial intelligence systems learn to better recognize and classify images, they are becoming highly-reliable at diagnosing diseases, such as skin cancer, from medical images. But as good as they are at detecting patterns, AI won't be replacing your doctor any time soon. Even when used as a tool, image recognition systems still require an expert to label the data, and a lot of data at that: it needs images of both healthy patients and sick patients. The algorithm finds patterns in the training data and when it receives new data, it uses what it has learned to identify the new image.

* This article was originally published here

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Excessive gestational weight gain tied to maternal morbidity

(HealthDay)—Gestational weight gain in excess of guidelines from the Institute of Medicine (IOM) is associated with increased risk of severe maternal morbidity, according to a study published in the March issue of Obstetrics & Gynecology.

* This article was originally published here

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Hospital-to-home transition care may not help patients with heart failure

Providing additional health-care services for heart failure patients to help them transition from hospital to home does not improve their outcome, according to research led by the Population Health Research Institute (PHRI) of McMaster University and Hamilton Health Sciences (HHS).

* This article was originally published here

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Researchers invent a needle that knows where to go

Syringes and hollow needles have been used to deliver medication for more than a century. However, the precise implementation of these devices depends on the operator, and it can be difficult to deliver medication to delicate regions such as the suprachoroidal space at the back of the eye. Investigators from Brigham and Women's Hospital have developed a highly sensitive intelligent-injector for tissue-targeting (i2T2) that detects changes in resistance in order to properly and safely deliver medication in preclinical testing. Their results are published in Nature Biomedical Engineering.

* This article was originally published here